75171228612 has 96 divisors (see below), whose sum is σ = 179243108352. Its totient is φ = 24513895296.

The previous prime is 75171228577. The next prime is 75171228653. The reversal of 75171228612 is 21682217157.

It is a super-2 number, since 2×75171228612² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110060023 + ... + 110060705.

It is an arithmetic number, because the mean of its divisors is an integer number (1867115712).

Almost surely, 2^75171228612 is an apocalyptic number.

It is an amenable number.

75171228612 is an abundant number, since it is smaller than the sum of its proper divisors (104071879740).

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

75171228612 is a wasteful number, since it uses less digits than its factorization.

75171228612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497 (or 1495 counting only the distinct ones).

The product of its digits is 94080, while the sum is 42.

The spelling of 75171228612 in words is "seventy-five billion, one hundred seventy-one million, two hundred twenty-eight thousand, six hundred twelve".