45005532012 has 120 divisors (see below), whose sum is σ = 142370563104. Its totient is φ = 12102317568.

The previous prime is 45005531999. The next prime is 45005532037. The reversal of 45005532012 is 21023550054.

It is a happy number.

45005532012 is a `hidden beast` number, since 450 + 0 + 5 + 5 + 3 + 201 + 2 = 666.

It is a super-3 number, since 3×45005532012³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 545083 + ... + 622194.

Almost surely, 2^45005532012 is an apocalyptic number.

45005532012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

45005532012 is an abundant number, since it is smaller than the sum of its proper divisors (97365031092).

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

45005532012 is a wasteful number, since it uses less digits than its factorization.

45005532012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167317 (or 1167306 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 45005532012 in words is "forty-five billion, five million, five hundred thirty-two thousand, twelve".