972276012 has 18 divisors (see below), whose sum is σ = 2457697788. Its totient is φ = 324091992.

The previous prime is 972276007. The next prime is 972276023. The reversal of 972276012 is 210672279.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 27007667 = 972276012 / (9 + 7 + 2 + 2 + 7 + 6 + 0 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13503798 + ... + 13503869.

It is an arithmetic number, because the mean of its divisors is an integer number (136538766).

Almost surely, 2^972276012 is an apocalyptic number.

It is an amenable number.

972276012 is an abundant number, since it is smaller than the sum of its proper divisors (1485421776).

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

972276012 is a wasteful number, since it uses less digits than its factorization.

972276012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27007677 (or 27007672 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 972276012 is about 31181.3407665546. The cubic root of 972276012 is about 990.6719282993.

The spelling of 972276012 in words is "nine hundred seventy-two million, two hundred seventy-six thousand, twelve".