5012120665 has 8 divisors (see below), whose sum is σ = 6016624200. Its totient is φ = 4008310272.

The previous prime is 5012120627. The next prime is 5012120671. The reversal of 5012120665 is 5660212105.

It can be written as a sum of positive squares in 4 ways, for example, as 2772654336 + 2239466329 = 52656^2 + 47323^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5012120665 - 2¹⁹ = 5011596377 is a prime.

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, 157240 + ... + 186409.

It is an arithmetic number, because the mean of its divisors is an integer number (752078025).

Almost surely, 2^5012120665 is an apocalyptic number.

It is an amenable number.

5012120665 is a deficient number, since it is larger than the sum of its proper divisors (1004503535).

5012120665 is a wasteful number, since it uses less digits than its factorization.

5012120665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346571.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 5012120665 is about 70796.3322849426. The cubic root of 5012120665 is about 1711.3565680475.

The spelling of 5012120665 in words is "five billion, twelve million, one hundred twenty thousand, six hundred sixty-five".