212101010012012 has 48 divisors (see below), whose sum is σ = 405046037760000. Its totient is φ = 96379570647360.

The previous prime is 212101010012009. The next prime is 212101010012029. The reversal of 212101010012012 is 210210010101212.

It is a super-2 number, since 2×212101010012012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3340194239 + ... + 3340257737.

It is an arithmetic number, because the mean of its divisors is an integer number (8438459120000).

Almost surely, 2^{212101010012012} is an apocalyptic number.

212101010012012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212101010012012 is a deficient number, since it is larger than the sum of its proper divisors (192945027747988).

212101010012012 is a wasteful number, since it uses less digits than its factorization.

212101010012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85926 (or 85924 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212101010012012 its reverse (210210010101212), we get a palindrome (422311020113224).

The spelling of 212101010012012 in words is "two hundred twelve trillion, one hundred one billion, ten million, twelve thousand, twelve".