75123472212 has 72 divisors (see below), whose sum is σ = 195927863040. Its totient is φ = 24257638080.

The previous prime is 75123472187. The next prime is 75123472223. The reversal of 75123472212 is 21227432157.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98464 + ... + 399927.

It is an arithmetic number, because the mean of its divisors is an integer number (2721220320).

Almost surely, 2^75123472212 is an apocalyptic number.

It is an amenable number.

75123472212 is an abundant number, since it is smaller than the sum of its proper divisors (120804390828).

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

75123472212 is a wasteful number, since it uses less digits than its factorization.

75123472212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498533 (or 498528 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The spelling of 75123472212 in words is "seventy-five billion, one hundred twenty-three million, four hundred seventy-two thousand, two hundred twelve".