126237612402 has 160 divisors (see below), whose sum is σ = 328937241600. Its totient is φ = 35760683520.

The previous prime is 126237612383. The next prime is 126237612407. The reversal of 126237612402 is 204216732621.

126237612402 is a `hidden beast` number, since 1 + 2 + 6 + 2 + 37 + 612 + 4 + 0 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (126237612407) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4499823 + ... + 4527789.

It is an arithmetic number, because the mean of its divisors is an integer number (2055857760).

Almost surely, 2^126237612402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126237612402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164468620800).

126237612402 is an abundant number, since it is smaller than the sum of its proper divisors (202699629198).

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

126237612402 is a wasteful number, since it uses less digits than its factorization.

126237612402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28158 (or 28149 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 126237612402 in words is "one hundred twenty-six billion, two hundred thirty-seven million, six hundred twelve thousand, four hundred two".