612135464531216 has 40 divisors (see below), whose sum is σ = 1211433860496024. Its totient is φ = 299536464015360.

The previous prime is 612135464531207. The next prime is 612135464531309.

612135464531216 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 343539552432400 + 268595912098816 = 18534820^2 + 16388896^2 .

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, 908804225 + ... + 909477536.

Almost surely, 2^{612135464531216} is an apocalyptic number.

It is an amenable number.

612135464531216 is a deficient number, since it is larger than the sum of its proper divisors (599298395964808).

612135464531216 is a wasteful number, since it uses less digits than its factorization.

612135464531216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818282219 (or 1818282213 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 50.

The spelling of 612135464531216 in words is "six hundred twelve trillion, one hundred thirty-five billion, four hundred sixty-four million, five hundred thirty-one thousand, two hundred sixteen".