212011001211982 has 16 divisors (see below), whose sum is σ = 363448425922560. Its totient is φ = 90861608843928.

The previous prime is 212011001211979. The next prime is 212011001212007. The reversal of 212011001211982 is 289112100110212.

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 7 ways as a sum of consecutive naturals, for example, 15392382 + ... + 25708897.

It is an arithmetic number, because the mean of its divisors is an integer number (22715526620160).

Almost surely, 2^{212011001211982} is an apocalyptic number.

212011001211982 is a deficient number, since it is larger than the sum of its proper divisors (151437424710578).

212011001211982 is a wasteful number, since it uses less digits than its factorization.

212011001211982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41469735.

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

The spelling of 212011001211982 in words is "two hundred twelve trillion, eleven billion, one million, two hundred eleven thousand, nine hundred eighty-two".