1147664012 has 12 divisors (see below), whose sum is σ = 2190995016. Its totient is φ = 521665440.

The previous prime is 1147663997. The next prime is 1147664029. The reversal of 1147664012 is 2104667411.

It is a super-2 number, since 2×1147664012² = 2634265368879872288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1147664012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13041593 + ... + 13041680.

It is an arithmetic number, because the mean of its divisors is an integer number (182582918).

Almost surely, 2^1147664012 is an apocalyptic number.

It is an amenable number.

1147664012 is a deficient number, since it is larger than the sum of its proper divisors (1043331004).

1147664012 is a wasteful number, since it uses less digits than its factorization.

1147664012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26083288 (or 26083286 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1147664012 is about 33877.1901432217. The cubic root of 1147664012 is about 1046.9796838327.

The spelling of 1147664012 in words is "one billion, one hundred forty-seven million, six hundred sixty-four thousand, twelve".