22403120423212 has 6 divisors (see below), whose sum is σ = 39205460740628. Its totient is φ = 11201560211604.

The previous prime is 22403120423191. The next prime is 22403120423249. The reversal of 22403120423212 is 21232402130422.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2800390052898 + ... + 2800390052905.

Almost surely, 2^{22403120423212} is an apocalyptic number.

It is an amenable number.

22403120423212 is a deficient number, since it is larger than the sum of its proper divisors (16802340317416).

22403120423212 is a wasteful number, since it uses less digits than its factorization.

22403120423212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5600780105807 (or 5600780105805 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 22403120423212 its reverse (21232402130422), we get a palindrome (43635522553634).

The spelling of 22403120423212 in words is "twenty-two trillion, four hundred three billion, one hundred twenty million, four hundred twenty-three thousand, two hundred twelve".