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12222233900 = 2252122222339
BaseRepresentation
bin10110110001000000…
…00111110100101100
31011112210021210221122
423120200013310230
5200012342441100
65340444520112
7611610162662
oct133040076454
934483253848
1012222233900
115202150258
122451250038
1311ca204c86
1483d34ac32
154b801c985
hex2d8807d2c

12222233900 has 18 divisors (see below), whose sum is σ = 26522247780. Its totient is φ = 4888893520.

The previous prime is 12222233899. The next prime is 12222233921. The reversal of 12222233900 is 933222221.

It is a self number, because there is not a number n which added to its sum of digits gives 12222233900.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61111070 + ... + 61111269.

It is an arithmetic number, because the mean of its divisors is an integer number (1473458210).

Almost surely, 212222233900 is an apocalyptic number.

12222233900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222233900 is an abundant number, since it is smaller than the sum of its proper divisors (14300013880).

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

12222233900 is a wasteful number, since it uses less digits than its factorization.

12222233900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122222353 (or 122222346 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 12222233900 in words is "twelve billion, two hundred twenty-two million, two hundred thirty-three thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 122222339 244444678 488889356 611111695 1222223390 2444446780 3055558475 6111116950 12222233900