126210244972 has 12 divisors (see below), whose sum is σ = 252420490000. Its totient is φ = 54090104976.

The previous prime is 126210244939. The next prime is 126210244973. The reversal of 126210244972 is 279442012621.

126210244972 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (126210244973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2253754347 + ... + 2253754402.

Almost surely, 2^126210244972 is an apocalyptic number.

It is an amenable number.

126210244972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

126210244972 is a wasteful number, since it uses less digits than its factorization.

126210244972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507508760 (or 4507508758 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 126210244972 in words is "one hundred twenty-six billion, two hundred ten million, two hundred forty-four thousand, nine hundred seventy-two".