2165244304612 has 24 divisors (see below), whose sum is σ = 4017260685816. Its totient is φ = 1017620310528.

The previous prime is 2165244304607. The next prime is 2165244304627. The reversal of 2165244304612 is 2164034425612.

It can be written as a sum of positive squares in 4 ways, for example, as 708549796516 + 1456694508096 = 841754^2 + 1206936^2 .

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, 20543703 + ... + 20648830.

It is an arithmetic number, because the mean of its divisors is an integer number (167385861909).

Almost surely, 2^{2165244304612} is an apocalyptic number.

It is an amenable number.

2165244304612 is a deficient number, since it is larger than the sum of its proper divisors (1852016381204).

2165244304612 is a wasteful number, since it uses less digits than its factorization.

2165244304612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41193327 (or 41193325 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 2165244304612 in words is "two trillion, one hundred sixty-five billion, two hundred forty-four million, three hundred four thousand, six hundred twelve".