12120113222100 has 288 divisors, whose sum is σ = 44169627824000. Its totient is φ = 2826390620160.

The previous prime is 12120113222083. The next prime is 12120113222167. The reversal of 12120113222100 is 122231102121.

12120113222100 is a `hidden beast` number, since 1 + 2 + 120 + 11 + 322 + 210 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8420005 + ... + 9753804.

Almost surely, 2^{12120113222100} is an apocalyptic number.

12120113222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12120113222100 is an abundant number, since it is smaller than the sum of its proper divisors (32049514601900).

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

12120113222100 is a wasteful number, since it uses less digits than its factorization.

12120113222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18173864 (or 18173851 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12120113222100 its reverse (122231102121), we get a palindrome (12242344324221).

The spelling of 12120113222100 in words is "twelve trillion, one hundred twenty billion, one hundred thirteen million, two hundred twenty-two thousand, one hundred".