202100210122012 has 48 divisors (see below), whose sum is σ = 387399817476000. Its totient is φ = 91824824397824.

The previous prime is 202100210121959. The next prime is 202100210122021. The reversal of 202100210122012 is 210221012001202.

It is a happy number.

It is a super-2 number, since 2×202100210122012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113112939 + ... + 114885757.

It is an arithmetic number, because the mean of its divisors is an integer number (8070829530750).

Almost surely, 2^{202100210122012} is an apocalyptic number.

It is an amenable number.

202100210122012 is a deficient number, since it is larger than the sum of its proper divisors (185299607353988).

202100210122012 is a wasteful number, since it uses less digits than its factorization.

202100210122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830678 (or 1830676 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202100210122012 its reverse (210221012001202), we get a palindrome (412321222123214).

The spelling of 202100210122012 in words is "two hundred two trillion, one hundred billion, two hundred ten million, one hundred twenty-two thousand, twelve".