202121002202012 has 96 divisors (see below), whose sum is σ = 364371662054400. Its totient is φ = 98067269721600.

The previous prime is 202121002201927. The next prime is 202121002202051. The reversal of 202121002202012 is 210202200121202.

It is a happy number.

It is a super-2 number, since 2×202121002202012² (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 (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16327726439 + ... + 16327738817.

It is an arithmetic number, because the mean of its divisors is an integer number (3795538146400).

Almost surely, 2^{202121002202012} is an apocalyptic number.

It is an amenable number.

202121002202012 is a deficient number, since it is larger than the sum of its proper divisors (162250659852388).

202121002202012 is a wasteful number, since it uses less digits than its factorization.

202121002202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14947 (or 14945 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202121002202012 its reverse (210202200121202), we get a palindrome (412323202323214).

The spelling of 202121002202012 in words is "two hundred two trillion, one hundred twenty-one billion, two million, two hundred two thousand, twelve".