390202323212 has 96 divisors (see below), whose sum is σ = 784574280000. Its totient is φ = 168210432000.

The previous prime is 390202323209. The next prime is 390202323221. The reversal of 390202323212 is 212323202093.

It is a happy number.

It is a super-2 number, since 2×390202323212² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173345087 + ... + 173347337.

It is an arithmetic number, because the mean of its divisors is an integer number (8172648750).

Almost surely, 2^390202323212 is an apocalyptic number.

It is an amenable number.

390202323212 is an abundant number, since it is smaller than the sum of its proper divisors (394371956788).

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

390202323212 is a wasteful number, since it uses less digits than its factorization.

390202323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3691 (or 3689 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 390202323212 in words is "three hundred ninety billion, two hundred two million, three hundred twenty-three thousand, two hundred twelve".