75234032157212 has 48 divisors (see below), whose sum is σ = 132761921510400. Its totient is φ = 37302701748480.

The previous prime is 75234032157211. The next prime is 75234032157337. The reversal of 75234032157212 is 21275123043257.

It is a super-2 number, since 2×75234032157212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75234032157211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4972170887 + ... + 4972186017.

It is an arithmetic number, because the mean of its divisors is an integer number (2765873364800).

Almost surely, 2^{75234032157212} is an apocalyptic number.

It is an amenable number.

75234032157212 is a deficient number, since it is larger than the sum of its proper divisors (57527889353188).

75234032157212 is a wasteful number, since it uses less digits than its factorization.

75234032157212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25146 (or 25144 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 75234032157212 in words is "seventy-five trillion, two hundred thirty-four billion, thirty-two million, one hundred fifty-seven thousand, two hundred twelve".