2579211921612 has 48 divisors (see below), whose sum is σ = 6146392637952. Its totient is φ = 841419627840.

The previous prime is 2579211921571. The next prime is 2579211921617. The reversal of 2579211921612 is 2161291129752.

It is a super-3 number, since 3×2579211921612³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2579211921617) 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, 31115662 + ... + 31198442.

It is an arithmetic number, because the mean of its divisors is an integer number (128049846624).

Almost surely, 2^{2579211921612} is an apocalyptic number.

It is an amenable number.

2579211921612 is an abundant number, since it is smaller than the sum of its proper divisors (3567180716340).

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

2579211921612 is a wasteful number, since it uses less digits than its factorization.

2579211921612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138078 (or 138076 counting only the distinct ones).

The product of its digits is 272160, while the sum is 48.

The spelling of 2579211921612 in words is "two trillion, five hundred seventy-nine billion, two hundred eleven million, nine hundred twenty-one thousand, six hundred twelve".