126822142672 has 20 divisors (see below), whose sum is σ = 251711022276. Its totient is φ = 61864459520.

The previous prime is 126822142661. The next prime is 126822142693. The reversal of 126822142672 is 276241228621.

It can be written as a sum of positive squares in 2 ways, for example, as 38508567696 + 88313574976 = 196236^2 + 297176^2 .

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, 96662563 + ... + 96663874.

Almost surely, 2^126822142672 is an apocalyptic number.

It is an amenable number.

126822142672 is a deficient number, since it is larger than the sum of its proper divisors (124888879604).

126822142672 is a wasteful number, since it uses less digits than its factorization.

126822142672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193326486 (or 193326480 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The spelling of 126822142672 in words is "one hundred twenty-six billion, eight hundred twenty-two million, one hundred forty-two thousand, six hundred seventy-two".