745121262512 has 20 divisors (see below), whose sum is σ = 1574915396136. Its totient is φ = 338691482880.

The previous prime is 745121262439. The next prime is 745121262521. The reversal of 745121262512 is 215262121547.

745121262512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2116821593 + ... + 2116821944.

Almost surely, 2^745121262512 is an apocalyptic number.

It is an amenable number.

745121262512 is an abundant number, since it is smaller than the sum of its proper divisors (829794133624).

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

745121262512 is a wasteful number, since it uses less digits than its factorization.

745121262512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4233643556 (or 4233643550 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The spelling of 745121262512 in words is "seven hundred forty-five billion, one hundred twenty-one million, two hundred sixty-two thousand, five hundred twelve".