202201312 has 12 divisors (see below), whose sum is σ = 398083896. Its totient is φ = 101100640.

The previous prime is 202201309. The next prime is 202201327. The reversal of 202201312 is 213102202.

It is a junction number, because it is equal to n+sod(n) for n = 202201292 and 202201301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3159364 + ... + 3159427.

It is an arithmetic number, because the mean of its divisors is an integer number (33173658).

Almost surely, 2^202201312 is an apocalyptic number.

It is an amenable number.

202201312 is a deficient number, since it is larger than the sum of its proper divisors (195882584).

202201312 is an equidigital number, since it uses as much as digits as its factorization.

202201312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6318801 (or 6318793 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 202201312 is about 14219.7507713743. The cubic root of 202201312 is about 586.9412821318.

Adding to 202201312 its reverse (213102202), we get a palindrome (415303514).

The spelling of 202201312 in words is "two hundred two million, two hundred one thousand, three hundred twelve".