212001021112012 has 24 divisors (see below), whose sum is σ = 404729780474880. Its totient is φ = 96363967564560.

The previous prime is 212001021112009. The next prime is 212001021112051. The reversal of 212001021112012 is 210211120100212.

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, 33522789 + ... + 39341827.

It is an arithmetic number, because the mean of its divisors is an integer number (16863740853120).

Almost surely, 2^{212001021112012} is an apocalyptic number.

212001021112012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212001021112012 is a deficient number, since it is larger than the sum of its proper divisors (192728759362868).

212001021112012 is a wasteful number, since it uses less digits than its factorization.

212001021112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6647061 (or 6647059 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212001021112012 its reverse (210211120100212), we get a palindrome (422212141212224).

The spelling of 212001021112012 in words is "two hundred twelve trillion, one billion, twenty-one million, one hundred twelve thousand, twelve".