3420125213506 has 16 divisors (see below), whose sum is σ = 5200542600984. Its totient is φ = 1686611718144.

The previous prime is 3420125213489. The next prime is 3420125213537. The reversal of 3420125213506 is 6053125210243.

It can be written as a sum of positive squares in 4 ways, for example, as 3245492325625 + 174632887881 = 1801525^2 + 417891^2 .

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, 12847206 + ... + 13110718.

Almost surely, 2^{3420125213506} is an apocalyptic number.

3420125213506 is a deficient number, since it is larger than the sum of its proper divisors (1780417387478).

3420125213506 is a wasteful number, since it uses less digits than its factorization.

3420125213506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352485.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 3420125213506 in words is "three trillion, four hundred twenty billion, one hundred twenty-five million, two hundred thirteen thousand, five hundred six".