202120313212 has 24 divisors (see below), whose sum is σ = 362675577600. Its totient is φ = 98515854000.

The previous prime is 202120313207. The next prime is 202120313221. The reversal of 202120313212 is 212313021202.

It is a self number, because there is not a number n which added to its sum of digits gives 202120313212.

It is a congruent number.

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, 2094462 + ... + 2188837.

It is an arithmetic number, because the mean of its divisors is an integer number (15111482400).

Almost surely, 2^202120313212 is an apocalyptic number.

It is an amenable number.

202120313212 is a deficient number, since it is larger than the sum of its proper divisors (160555264388).

202120313212 is a wasteful number, since it uses less digits than its factorization.

202120313212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283601 (or 4283599 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 202120313212 its reverse (212313021202), we get a palindrome (414433334414).

The spelling of 202120313212 in words is "two hundred two billion, one hundred twenty million, three hundred thirteen thousand, two hundred twelve".