1210122112122 has 80 divisors (see below), whose sum is σ = 3380658633792. Its totient is φ = 314317428480.

The previous prime is 1210122112117. The next prime is 1210122112159. The reversal of 1210122112122 is 2212112210121.

It is a super-2 number, since 2×1210122112122² (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1210122112095 and 1210122112104.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 48493303 + ... + 48518250.

Almost surely, 2^{1210122112122} is an apocalyptic number.

1210122112122 is an abundant number, since it is smaller than the sum of its proper divisors (2170536521670).

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

1210122112122 is a wasteful number, since it uses less digits than its factorization.

1210122112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97011585 (or 97011576 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1210122112122 its reverse (2212112210121), we get a palindrome (3422234322243).

The spelling of 1210122112122 in words is "one trillion, two hundred ten billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twenty-two".