210101211012012 has 24 divisors (see below), whose sum is σ = 490236512068800. Its totient is φ = 70033686569616.

The previous prime is 210101211012001. The next prime is 210101211012097. The reversal of 210101211012012 is 210210112101012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210101211011982 and 210101211012000.

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, 13555939 + ... + 24575717.

It is an arithmetic number, because the mean of its divisors is an integer number (20426521336200).

Almost surely, 2^{210101211012012} is an apocalyptic number.

It is an amenable number.

210101211012012 is an abundant number, since it is smaller than the sum of its proper divisors (280135301056788).

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

210101211012012 is a wasteful number, since it uses less digits than its factorization.

210101211012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12608605 (or 12608603 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 210101211012012 its reverse (210210112101012), we get a palindrome (420311323113024).

The spelling of 210101211012012 in words is "two hundred ten trillion, one hundred one billion, two hundred eleven million, twelve thousand, twelve".