981112010122012 has 18 divisors (see below), whose sum is σ = 1812067680747408. Its totient is φ = 464737267951848.

The previous prime is 981112010122009. The next prime is 981112010122037. The reversal of 981112010122012 is 210221010211189.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 339720223668 + ... + 339720226555.

Almost surely, 2^{981112010122012} is an apocalyptic number.

It is an amenable number.

981112010122012 is a deficient number, since it is larger than the sum of its proper divisors (830955670625396).

981112010122012 is a wasteful number, since it uses less digits than its factorization.

981112010122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679440450265 (or 679440450244 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 31.

The spelling of 981112010122012 in words is "nine hundred eighty-one trillion, one hundred twelve billion, ten million, one hundred twenty-two thousand, twelve".