1012111011992 has 8 divisors (see below), whose sum is σ = 1897708147500. Its totient is φ = 506055505992.

The previous prime is 1012111011979. The next prime is 1012111012001. The reversal of 1012111011992 is 2991101112101.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63256938242 + ... + 63256938257.

Almost surely, 2^{1012111011992} is an apocalyptic number.

It is an amenable number.

1012111011992 is a deficient number, since it is larger than the sum of its proper divisors (885597135508).

1012111011992 is a wasteful number, since it uses less digits than its factorization.

1012111011992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126513876505 (or 126513876501 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 29.

The spelling of 1012111011992 in words is "one trillion, twelve billion, one hundred eleven million, eleven thousand, nine hundred ninety-two".