323212213302940 has 48 divisors (see below), whose sum is σ = 730973099616480. Its totient is φ = 119337241409280.

The previous prime is 323212213302851. The next prime is 323212213302941. The reversal of 323212213302940 is 49203312212323.

It is a super-2 number, since 2×323212213302940² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 323212213302940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323212213302941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2077930 + ... + 25509649.

It is an arithmetic number, because the mean of its divisors is an integer number (15228606242010).

Almost surely, 2^{323212213302940} is an apocalyptic number.

It is an amenable number.

323212213302940 is an abundant number, since it is smaller than the sum of its proper divisors (407760886313540).

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

323212213302940 is a wasteful number, since it uses less digits than its factorization.

323212213302940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27632662 (or 27632660 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 323212213302940 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred thirteen million, three hundred two thousand, nine hundred forty".