212001000120012 has 24 divisors (see below), whose sum is σ = 494682692277312. Its totient is φ = 70665044040400.

The previous prime is 212001000119983. The next prime is 212001000120073. The reversal of 212001000120012 is 210021000100212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 212001000120012.

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, 244048314 + ... + 244915457.

It is an arithmetic number, because the mean of its divisors is an integer number (20611778844888).

Almost surely, 2^{212001000120012} is an apocalyptic number.

It is an amenable number.

212001000120012 is an abundant number, since it is smaller than the sum of its proper divisors (282681692157300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212001000120012 is a wasteful number, since it uses less digits than its factorization.

212001000120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488999909 (or 488999907 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212001000120012 its reverse (210021000100212), we get a palindrome (422022000220224).

The spelling of 212001000120012 in words is "two hundred twelve trillion, one billion, one hundred twenty thousand, twelve".