126250143812 has 24 divisors (see below), whose sum is σ = 237946478616. Its totient is φ = 58265987328.

The previous prime is 126250143797. The next prime is 126250143919. The reversal of 126250143812 is 218341052621.

It can be written as a sum of positive squares in 4 ways, for example, as 19181142016 + 107069001796 = 138496^2 + 327214^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018688 + ... + 1135880.

It is an arithmetic number, because the mean of its divisors is an integer number (9914436609).

Almost surely, 2^126250143812 is an apocalyptic number.

It is an amenable number.

126250143812 is a deficient number, since it is larger than the sum of its proper divisors (111696334804).

126250143812 is a wasteful number, since it uses less digits than its factorization.

126250143812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137927 (or 137925 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 126250143812 in words is "one hundred twenty-six billion, two hundred fifty million, one hundred forty-three thousand, eight hundred twelve".