122240123100 has 54 divisors (see below), whose sum is σ = 383154877560. Its totient is φ = 32597365920.

The previous prime is 122240123063. The next prime is 122240123147. The reversal of 122240123100 is 1321042221.

It is a happy number.

122240123100 is a `hidden beast` number, since 12 + 22 + 401 + 231 + 0 + 0 = 666.

It is a super-2 number, since 2×122240123100² (a number of 23 digits) contains 22 as substring.

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 17 ways as a sum of consecutive naturals, for example, 67910280 + ... + 67912079.

Almost surely, 2^122240123100 is an apocalyptic number.

122240123100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122240123100 is an abundant number, since it is smaller than the sum of its proper divisors (260914754460).

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

122240123100 is a wasteful number, since it uses less digits than its factorization.

122240123100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135822379 (or 135822369 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 122240123100 its reverse (1321042221), we get a palindrome (123561165321).

The spelling of 122240123100 in words is "one hundred twenty-two billion, two hundred forty million, one hundred twenty-three thousand, one hundred".