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12222301020 = 2235375505541
BaseRepresentation
bin10110110001000000…
…11000001101011100
31011112210102020000120
423120200120031130
5200012402113040
65340450154540
7611610562446
oct133040301534
934483366016
1012222301020
115202196726
122451282a50
1311ca2296a7
1483d367496
154b80327d0
hex2d881835c

12222301020 has 48 divisors (see below), whose sum is σ = 35147380128. Its totient is φ = 3171191040.

The previous prime is 12222300971. The next prime is 12222301043. The reversal of 12222301020 is 2010322221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2750551 + ... + 2754990.

It is an arithmetic number, because the mean of its divisors is an integer number (732237086).

Almost surely, 212222301020 is an apocalyptic number.

12222301020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222301020 is an abundant number, since it is smaller than the sum of its proper divisors (22925079108).

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

12222301020 is a wasteful number, since it uses less digits than its factorization.

12222301020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505590 (or 5505588 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12222301020 its reverse (2010322221), we get a palindrome (14232623241).

The spelling of 12222301020 in words is "twelve billion, two hundred twenty-two million, three hundred one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 2220 5505541 11011082 16516623 22022164 27527705 33033246 55055410 66066492 82583115 110110820 165166230 203705017 330332460 407410034 611115051 814820068 1018525085 1222230102 2037050170 2444460204 3055575255 4074100340 6111150510 12222301020