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12210320120 = 235317962959
BaseRepresentation
bin10110101111100101…
…01011001011111000
31011111221212112022112
423113302223023320
5200001320220440
65335341311452
7611404002635
oct132762531370
934457775275
1012210320120
1151a6453259
122449265588
1311c78c32bb
1483b92918c
154b6e67965
hex2d7cab2f8

12210320120 has 32 divisors (see below), whose sum is σ = 27559915200. Its totient is φ = 4868715648.

The previous prime is 12210320081. The next prime is 12210320123. The reversal of 12210320120 is 2102301221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12210320095 and 12210320104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210320123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468800 + ... + 494159.

It is an arithmetic number, because the mean of its divisors is an integer number (861247350).

Almost surely, 212210320120 is an apocalyptic number.

12210320120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210320120 is an abundant number, since it is smaller than the sum of its proper divisors (15349595080).

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

12210320120 is a wasteful number, since it uses less digits than its factorization.

12210320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963287 (or 963283 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12210320120 its reverse (2102301221), we get a palindrome (14312621341).

The spelling of 12210320120 in words is "twelve billion, two hundred ten million, three hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 317 634 1268 1585 2536 3170 6340 12680 962959 1925918 3851836 4814795 7703672 9629590 19259180 38518360 305258003 610516006 1221032012 1526290015 2442064024 3052580030 6105160060 12210320120