202212010121 has 16 divisors (see below), whose sum is σ = 230679042048. Its totient is φ = 175459904400.

The previous prime is 202212010111. The next prime is 202212010177. The reversal of 202212010121 is 121010212202.

It is a de Polignac number, because none of the positive numbers 2^k-202212010121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202212010096 and 202212010105.

It is not an unprimeable number, because it can be changed into a prime (202212010111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737585 + ... + 973886.

It is an arithmetic number, because the mean of its divisors is an integer number (14417440128).

Almost surely, 2^202212010121 is an apocalyptic number.

It is an amenable number.

202212010121 is a deficient number, since it is larger than the sum of its proper divisors (28467031927).

202212010121 is a wasteful number, since it uses less digits than its factorization.

202212010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711972.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202212010121 its reverse (121010212202), we get a palindrome (323222222323).

The spelling of 202212010121 in words is "two hundred two billion, two hundred twelve million, ten thousand, one hundred twenty-one".