202001212122212 has 24 divisors (see below), whose sum is σ = 359300463215232. Its totient is φ = 99343966644000.

The previous prime is 202001212122169. The next prime is 202001212122299. The reversal of 202001212122212 is 212221212100202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23942837 + ... + 31261187.

It is an arithmetic number, because the mean of its divisors is an integer number (14970852633968).

Almost surely, 2^{202001212122212} is an apocalyptic number.

It is an amenable number.

202001212122212 is a deficient number, since it is larger than the sum of its proper divisors (157299251093020).

202001212122212 is a wasteful number, since it uses less digits than its factorization.

202001212122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7431539 (or 7431537 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202001212122212 its reverse (212221212100202), we get a palindrome (414222424222414).

The spelling of 202001212122212 in words is "two hundred two trillion, one billion, two hundred twelve million, one hundred twenty-two thousand, two hundred twelve".