9611312012 has 24 divisors (see below), whose sum is σ = 17493119952. Its totient is φ = 4616942400.

The previous prime is 9611311991. The next prime is 9611312017. The reversal of 9611312012 is 2102131169.

It is not an unprimeable number, because it can be changed into a prime (9611312017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447539 + ... + 468522.

It is an arithmetic number, because the mean of its divisors is an integer number (728879998).

Almost surely, 2^9611312012 is an apocalyptic number.

It is an amenable number.

9611312012 is a deficient number, since it is larger than the sum of its proper divisors (7881807940).

9611312012 is a wasteful number, since it uses less digits than its factorization.

9611312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916169 (or 916167 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 9611312012 is about 98037.2990856031. The cubic root of 9611312012 is about 2126.1515889252.

The spelling of 9611312012 in words is "nine billion, six hundred eleven million, three hundred twelve thousand, twelve".