45120502312 has 16 divisors (see below), whose sum is σ = 84631187700. Its totient is φ = 22552185600.

The previous prime is 45120502309. The next prime is 45120502319. The reversal of 45120502312 is 21320502154.

It can be written as a sum of positive squares in 2 ways, for example, as 44932976676 + 187525636 = 211974^2 + 13694^2 .

It is not an unprimeable number, because it can be changed into a prime (45120502319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984387 + ... + 1029202.

Almost surely, 2^45120502312 is an apocalyptic number.

It is an amenable number.

45120502312 is a deficient number, since it is larger than the sum of its proper divisors (39510685388).

45120502312 is a wasteful number, since it uses less digits than its factorization.

45120502312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016396 (or 2016392 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 45120502312 in words is "forty-five billion, one hundred twenty million, five hundred two thousand, three hundred twelve".