126015821252 has 48 divisors (see below), whose sum is σ = 229230812160. Its totient is φ = 60550425600.

The previous prime is 126015821249. The next prime is 126015821279. The reversal of 126015821252 is 252128510621.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26690252 + ... + 26694972.

It is an arithmetic number, because the mean of its divisors is an integer number (4775641920).

Almost surely, 2^126015821252 is an apocalyptic number.

It is an amenable number.

126015821252 is a deficient number, since it is larger than the sum of its proper divisors (103214990908).

126015821252 is a wasteful number, since it uses less digits than its factorization.

126015821252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6212 (or 6210 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The spelling of 126015821252 in words is "one hundred twenty-six billion, fifteen million, eight hundred twenty-one thousand, two hundred fifty-two".