1012218512 has 20 divisors (see below), whose sum is σ = 1964360880. Its totient is φ = 505286688.

The previous prime is 1012218499. The next prime is 1012218527. The reversal of 1012218512 is 2158122101.

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, 41198 + ... + 61005.

It is an arithmetic number, because the mean of its divisors is an integer number (98218044).

Almost surely, 2^1012218512 is an apocalyptic number.

It is an amenable number.

1012218512 is a deficient number, since it is larger than the sum of its proper divisors (952142368).

1012218512 is a wasteful number, since it uses less digits than its factorization.

1012218512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102830 (or 102824 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 1012218512 is about 31815.3816887367. The cubic root of 1012218512 is about 1004.0563610207.

The spelling of 1012218512 in words is "one billion, twelve million, two hundred eighteen thousand, five hundred twelve".