75123223101012 has 96 divisors (see below), whose sum is σ = 183650915266560. Its totient is φ = 23870523663360.

The previous prime is 75123223100993. The next prime is 75123223101041. The reversal of 75123223101012 is 21010132232157.

It is a congruent number.

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, 688271539 + ... + 688380677.

It is an arithmetic number, because the mean of its divisors is an integer number (1913030367360).

Almost surely, 2^{75123223101012} is an apocalyptic number.

It is an amenable number.

75123223101012 is an abundant number, since it is smaller than the sum of its proper divisors (108527692165548).

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

75123223101012 is a wasteful number, since it uses less digits than its factorization.

75123223101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136861 (or 136859 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

Adding to 75123223101012 its reverse (21010132232157), we get a palindrome (96133355333169).

The spelling of 75123223101012 in words is "seventy-five trillion, one hundred twenty-three billion, two hundred twenty-three million, one hundred one thousand, twelve".