202102302312 has 80 divisors (see below), whose sum is σ = 566177895360. Its totient is φ = 67355019936.

The previous prime is 202102302307. The next prime is 202102302323. The reversal of 202102302312 is 213203201202.

202102302312 is a `hidden beast` number, since 202 + 1 + 0 + 230 + 231 + 2 = 666.

202102302312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×202102302312² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3905713 + ... + 3957119.

It is an arithmetic number, because the mean of its divisors is an integer number (7077223692).

Almost surely, 2^202102302312 is an apocalyptic number.

It is an amenable number.

202102302312 is an abundant number, since it is smaller than the sum of its proper divisors (364075593048).

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

202102302312 is a wasteful number, since it uses less digits than its factorization.

202102302312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57492 (or 57479 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 202102302312 its reverse (213203201202), we get a palindrome (415305503514).

The spelling of 202102302312 in words is "two hundred two billion, one hundred two million, three hundred two thousand, three hundred twelve".