12021012111982 has 16 divisors (see below), whose sum is σ = 18132742283760. Its totient is φ = 5976858803328.

The previous prime is 12021012111929. The next prime is 12021012112033. The reversal of 12021012111982 is 28911121012021.

It is a happy number.

12021012111982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23274013 + ... + 23784904.

It is an arithmetic number, because the mean of its divisors is an integer number (1133296392735).

Almost surely, 2^{12021012111982} is an apocalyptic number.

12021012111982 is a deficient number, since it is larger than the sum of its proper divisors (6111730171778).

12021012111982 is a wasteful number, since it uses less digits than its factorization.

12021012111982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47059635.

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

The spelling of 12021012111982 in words is "twelve trillion, twenty-one billion, twelve million, one hundred eleven thousand, nine hundred eighty-two".