12400522234 has 16 divisors (see below), whose sum is σ = 19053796608. Its totient is φ = 6049566432.

The previous prime is 12400522097. The next prime is 12400522249. The reversal of 12400522234 is 43222500421.

It is a junction number, because it is equal to n+sod(n) for n = 12400522199 and 12400522208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3639 + ... + 157525.

It is an arithmetic number, because the mean of its divisors is an integer number (1190862288).

Almost surely, 2^12400522234 is an apocalyptic number.

12400522234 is a deficient number, since it is larger than the sum of its proper divisors (6653274374).

12400522234 is a wasteful number, since it uses less digits than its factorization.

12400522234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154869.

The product of its (nonzero) digits is 3840, while the sum is 25.

The spelling of 12400522234 in words is "twelve billion, four hundred million, five hundred twenty-two thousand, two hundred thirty-four".