126216870892 has 36 divisors (see below), whose sum is σ = 257752155024. Its totient is φ = 53922277920.

The previous prime is 126216870887. The next prime is 126216870893. The reversal of 126216870892 is 298078612621.

It is not an unprimeable number, because it can be changed into a prime (126216870893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 953584 + ... + 1077847.

It is an arithmetic number, because the mean of its divisors is an integer number (7159782084).

Almost surely, 2^126216870892 is an apocalyptic number.

It is an amenable number.

126216870892 is an abundant number, since it is smaller than the sum of its proper divisors (131535284132).

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

126216870892 is a wasteful number, since it uses less digits than its factorization.

126216870892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031766 (or 2031757 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 126216870892 in words is "one hundred twenty-six billion, two hundred sixteen million, eight hundred seventy thousand, eight hundred ninety-two".