212100112021002 has 48 divisors (see below), whose sum is σ = 450633413942400. Its totient is φ = 66539378391552.

The previous prime is 212100112020949. The next prime is 212100112021013. The reversal of 212100112021002 is 200120211001212.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61965999 + ... + 65299197.

It is an arithmetic number, because the mean of its divisors is an integer number (9388196123800).

Almost surely, 2^{212100112021002} is an apocalyptic number.

212100112021002 is an abundant number, since it is smaller than the sum of its proper divisors (238533301921398).

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

212100112021002 is a wasteful number, since it uses less digits than its factorization.

212100112021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369935 (or 3369918 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212100112021002 its reverse (200120211001212), we get a palindrome (412220323022214).

The spelling of 212100112021002 in words is "two hundred twelve trillion, one hundred billion, one hundred twelve million, twenty-one thousand, two".