202122130456 has 16 divisors (see below), whose sum is σ = 379071648000. Its totient is φ = 101036357664.

The previous prime is 202122130409. The next prime is 202122130477. The reversal of 202122130456 is 654031221202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3053656 + ... + 3119143.

It is an arithmetic number, because the mean of its divisors is an integer number (23691978000).

Almost surely, 2^202122130456 is an apocalyptic number.

It is an amenable number.

202122130456 is a deficient number, since it is larger than the sum of its proper divisors (176949517544).

202122130456 is a wasteful number, since it uses less digits than its factorization.

202122130456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6176898 (or 6176894 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 202122130456 its reverse (654031221202), we get a palindrome (856153351658).

The spelling of 202122130456 in words is "two hundred two billion, one hundred twenty-two million, one hundred thirty thousand, four hundred fifty-six".