212001010011982 has 16 divisors (see below), whose sum is σ = 319007342103552. Its totient is φ = 105665234904160.

The previous prime is 212001010011977. The next prime is 212001010012027. The reversal of 212001010011982 is 289110010100212.

It is a super-2 number, since 2×212001010011982² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212001010011982.

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, 78030432 + ... + 80701612.

It is an arithmetic number, because the mean of its divisors is an integer number (19937958881472).

Almost surely, 2^{212001010011982} is an apocalyptic number.

212001010011982 is a deficient number, since it is larger than the sum of its proper divisors (107006332091570).

212001010011982 is a wasteful number, since it uses less digits than its factorization.

212001010011982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796683.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 212001010011982 in words is "two hundred twelve trillion, one billion, ten million, eleven thousand, nine hundred eighty-two".