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120123212230 = 2573155356319
BaseRepresentation
bin110111111011111100…
…1101100000111000110
3102111001121000102220101
41233313321230013012
53432003020242410
6131103413154314
711451523312510
oct1576771540706
9374047012811
10120123212230
1146a4247030a
121b34502b99a
13b434897408
145b5785abb0
1531d0be2d3a
hex1bf7e6c1c6

120123212230 has 32 divisors (see below), whose sum is σ = 255081922560. Its totient is φ = 39856548960.

The previous prime is 120123212227. The next prime is 120123212263. The reversal of 120123212230 is 32212321021.

It is a super-2 number, since 2×1201232122302 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120123212198 and 120123212207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27675990 + ... + 27680329.

It is an arithmetic number, because the mean of its divisors is an integer number (7971310080).

Almost surely, 2120123212230 is an apocalyptic number.

120123212230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120123212230 is an abundant number, since it is smaller than the sum of its proper divisors (134958710330).

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

120123212230 is a wasteful number, since it uses less digits than its factorization.

120123212230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55356364.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 120123212230 its reverse (32212321021), we get a palindrome (152335533251).

The spelling of 120123212230 in words is "one hundred twenty billion, one hundred twenty-three million, two hundred twelve thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 434 1085 2170 55356319 110712638 276781595 387494233 553563190 774988466 1716045889 1937471165 3432091778 3874942330 8580229445 12012321223 17160458890 24024642446 60061606115 120123212230