328215637212 has 24 divisors (see below), whose sum is σ = 765993846912. Its totient is φ = 109382732400.

The previous prime is 328215637207. The next prime is 328215637219. The reversal of 328215637212 is 212736512823.

It is a super-3 number, since 3×328215637212³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328215637219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2749114 + ... + 2866017.

It is an arithmetic number, because the mean of its divisors is an integer number (31916410288).

Almost surely, 2^328215637212 is an apocalyptic number.

It is an amenable number.

328215637212 is an abundant number, since it is smaller than the sum of its proper divisors (437778209700).

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

328215637212 is a wasteful number, since it uses less digits than its factorization.

328215637212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5620009 (or 5620007 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The spelling of 328215637212 in words is "three hundred twenty-eight billion, two hundred fifteen million, six hundred thirty-seven thousand, two hundred twelve".