12210031402122 has 32 divisors (see below), whose sum is σ = 25663321835712. Its totient is φ = 3867916921344.

The previous prime is 12210031402069. The next prime is 12210031402123. The reversal of 12210031402122 is 22120413001221.

It is a happy number.

It is a super-2 number, since 2×12210031402122² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12210031402123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639526983 + ... + 639546074.

It is an arithmetic number, because the mean of its divisors is an integer number (801978807366).

Almost surely, 2^{12210031402122} is an apocalyptic number.

12210031402122 is an abundant number, since it is smaller than the sum of its proper divisors (13453290433590).

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

12210031402122 is a wasteful number, since it uses less digits than its factorization.

12210031402122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279073142.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12210031402122 its reverse (22120413001221), we get a palindrome (34330444403343).

The spelling of 12210031402122 in words is "twelve trillion, two hundred ten billion, thirty-one million, four hundred two thousand, one hundred twenty-two".