1012122220986 has 24 divisors (see below), whose sum is σ = 2193240228660. Its totient is φ = 337326573696.

The previous prime is 1012122220973. The next prime is 1012122221009. The reversal of 1012122220986 is 6890222212101.

It can be written as a sum of positive squares in 2 ways, for example, as 980604965025 + 31517255961 = 990255^2 + 177531^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1012122220986.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3826815 + ... + 4082738.

Almost surely, 2^{1012122220986} is an apocalyptic number.

1012122220986 is an abundant number, since it is smaller than the sum of its proper divisors (1181118007674).

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

1012122220986 is a wasteful number, since it uses less digits than its factorization.

1012122220986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916670 (or 7916667 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 1012122220986 in words is "one trillion, twelve billion, one hundred twenty-two million, two hundred twenty thousand, nine hundred eighty-six".