5123310355412 has 24 divisors (see below), whose sum is σ = 8980262541096. Its totient is φ = 2557524261888.

The previous prime is 5123310355399. The next prime is 5123310355439. The reversal of 5123310355412 is 2145530133215.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1516212971716 + 3607097383696 = 1231346^2 + 1899236^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6017798 + ... + 6816194.

It is an arithmetic number, because the mean of its divisors is an integer number (374177605879).

Almost surely, 2^{5123310355412} is an apocalyptic number.

It is an amenable number.

5123310355412 is a deficient number, since it is larger than the sum of its proper divisors (3856952185684).

5123310355412 is a wasteful number, since it uses less digits than its factorization.

5123310355412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800987 (or 800985 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 5123310355412 its reverse (2145530133215), we get a palindrome (7268840488627).

The spelling of 5123310355412 in words is "five trillion, one hundred twenty-three billion, three hundred ten million, three hundred fifty-five thousand, four hundred twelve".