63012121372 has 24 divisors (see below), whose sum is σ = 111269942784. Its totient is φ = 31221292032.

The previous prime is 63012121349. The next prime is 63012121391. The reversal of 63012121372 is 27312121036.

It is a self number, because there is not a number n which added to its sum of digits gives 63012121372.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 362988 + ... + 507724.

It is an arithmetic number, because the mean of its divisors is an integer number (4636247616).

Almost surely, 2^63012121372 is an apocalyptic number.

It is an amenable number.

63012121372 is a deficient number, since it is larger than the sum of its proper divisors (48257821412).

63012121372 is a wasteful number, since it uses less digits than its factorization.

63012121372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145725 (or 145723 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The spelling of 63012121372 in words is "sixty-three billion, twelve million, one hundred twenty-one thousand, three hundred seventy-two".