202312212 has 12 divisors (see below), whose sum is σ = 472061856. Its totient is φ = 67437400.

The previous prime is 202312211. The next prime is 202312261. The reversal of 202312212 is 212213202.

It is a happy number.

202312212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×202312212² = 81860462248665888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202312191 and 202312200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202312211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8429664 + ... + 8429687.

It is an arithmetic number, because the mean of its divisors is an integer number (39338488).

Almost surely, 2^202312212 is an apocalyptic number.

It is an amenable number.

202312212 is an abundant number, since it is smaller than the sum of its proper divisors (269749644).

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

202312212 is a wasteful number, since it uses less digits than its factorization.

202312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16859358 (or 16859356 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 202312212 is about 14223.6497425942. The cubic root of 202312212 is about 587.0485677721.

Adding to 202312212 its reverse (212213202), we get a palindrome (414525414).

The spelling of 202312212 in words is "two hundred two million, three hundred twelve thousand, two hundred twelve".