3213504921280 has 56 divisors (see below), whose sum is σ = 7756982740512. Its totient is φ = 1267793713152.

The previous prime is 3213504921271. The next prime is 3213504921343. The reversal of 3213504921280 is 821294053123.

It is a super-2 number, since 2×3213504921280² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68758852 + ... + 68805571.

Almost surely, 2^{3213504921280} is an apocalyptic number.

It is an amenable number.

3213504921280 is an abundant number, since it is smaller than the sum of its proper divisors (4543477819232).

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

3213504921280 is a wasteful number, since it uses less digits than its factorization.

3213504921280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137564513 (or 137564503 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 3213504921280 in words is "three trillion, two hundred thirteen billion, five hundred four million, nine hundred twenty-one thousand, two hundred eighty".