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12242204023420 = 225710927360013
BaseRepresentation
bin1011001000100101110000…
…1110001101101001111100
31121100100021020200022112101
42302021130032031221330
53101034013212222140
642011554010514444
72402320141154410
oct262113416155174
947310236608471
1012242204023420
11399a9870214a8
121458755435a24
136aa5865a1087
14304750c74d40
151636ab5e099a
hexb225c38da7c

12242204023420 has 72 divisors (see below), whose sum is σ = 29653319765664. Its totient is φ = 4158818940672.

The previous prime is 12242204023403. The next prime is 12242204023447. The reversal of 12242204023420 is 2432040224221.

It is a happy number.

12242204023420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2016667 + ... + 5343346.

It is an arithmetic number, because the mean of its divisors is an integer number (411851663412).

Almost surely, 212242204023420 is an apocalyptic number.

12242204023420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12242204023420 is an abundant number, since it is smaller than the sum of its proper divisors (17411115742244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12242204023420 is a wasteful number, since it uses less digits than its factorization.

12242204023420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7360247 (or 7360136 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 12242204023420 its reverse (2432040224221), we get a palindrome (14674244247641).

The spelling of 12242204023420 in words is "twelve trillion, two hundred forty-two billion, two hundred four million, twenty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 109 140 218 436 545 763 1090 1526 2180 3052 3815 7630 11881 15260 23762 47524 59405 83167 118810 166334 237620 332668 415835 831670 1663340 7360013 14720026 29440052 36800065 51520091 73600130 103040182 147200260 206080364 257600455 515200910 802241417 1030401820 1604482834 3208965668 4011207085 5615689919 8022414170 11231379838 16044828340 22462759676 28078449595 56156899190 87444314453 112313798380 174888628906 349777257812 437221572265 612110201171 874443144530 1224220402342 1748886289060 2448440804684 3060551005855 6121102011710 12242204023420