312204202030 has 64 divisors (see below), whose sum is σ = 650253381120. Its totient is φ = 105708380544.

The previous prime is 312204202019. The next prime is 312204202039. The reversal of 312204202030 is 30202402213.

It is a super-2 number, since 2×312204202030² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312204201989 and 312204202007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312204202039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16194457 + ... + 16213723.

It is an arithmetic number, because the mean of its divisors is an integer number (10160209080).

Almost surely, 2^312204202030 is an apocalyptic number.

312204202030 is an abundant number, since it is smaller than the sum of its proper divisors (338049179090).

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

312204202030 is a wasteful number, since it uses less digits than its factorization.

312204202030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22153.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 312204202030 its reverse (30202402213), we get a palindrome (342406604243).

The spelling of 312204202030 in words is "three hundred twelve billion, two hundred four million, two hundred two thousand, thirty".