122203221123312 has 120 divisors (see below), whose sum is σ = 390972223058144. Its totient is φ = 34904853683712.

The previous prime is 122203221123311. The next prime is 122203221123331. The reversal of 122203221123312 is 213321122302221.

122203221123312 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 0 + 3 + 221 + 123 + 312 = 666.

122203221123312 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×122203221123312² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122203221123311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14571163 + ... + 21371130.

Almost surely, 2^{122203221123312} is an apocalyptic number.

122203221123312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122203221123312 is an abundant number, since it is smaller than the sum of its proper divisors (268769001934832).

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

122203221123312 is a wasteful number, since it uses less digits than its factorization.

122203221123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35945687 (or 35945678 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 122203221123312 its reverse (213321122302221), we get a palindrome (335524343425533).

The spelling of 122203221123312 in words is "one hundred twenty-two trillion, two hundred three billion, two hundred twenty-one million, one hundred twenty-three thousand, three hundred twelve".