1200321020986 has 32 divisors (see below), whose sum is σ = 1868934240000. Its totient is φ = 577486832832.

The previous prime is 1200321020981. The next prime is 1200321021013. The reversal of 1200321020986 is 6890201230021.

It is not an unprimeable number, because it can be changed into a prime (1200321020981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29149540 + ... + 29190688.

It is an arithmetic number, because the mean of its divisors is an integer number (58404195000).

Almost surely, 2^{1200321020986} is an apocalyptic number.

1200321020986 is a deficient number, since it is larger than the sum of its proper divisors (668613219014).

1200321020986 is a wasteful number, since it uses less digits than its factorization.

1200321020986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42886.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 1200321020986 in words is "one trillion, two hundred billion, three hundred twenty-one million, twenty thousand, nine hundred eighty-six".