612136972 has 12 divisors (see below), whose sum is σ = 1077433056. Its totient is φ = 304298960.

The previous prime is 612136963. The next prime is 612136981. The reversal of 612136972 is 279631216.

It is an interprime number because it is at equal distance from previous prime (612136963) and next prime (612136981).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441604 + ... + 442987.

It is an arithmetic number, because the mean of its divisors is an integer number (89786088).

Almost surely, 2^612136972 is an apocalyptic number.

It is an amenable number.

612136972 is a deficient number, since it is larger than the sum of its proper divisors (465296084).

612136972 is a wasteful number, since it uses less digits than its factorization.

612136972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884768 (or 884766 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 612136972 is about 24741.4019812944. The cubic root of 612136972 is about 849.0818098905.

The spelling of 612136972 in words is "six hundred twelve million, one hundred thirty-six thousand, nine hundred seventy-two".