5125042321212 has 24 divisors (see below), whose sum is σ = 13045562272512. Its totient is φ = 1553043127600.

The previous prime is 5125042321211. The next prime is 5125042321229. The reversal of 5125042321212 is 2121232405215.

It is a super-4 number, since 4×5125042321212⁴ (a number of 52 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5125042321212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5125042321211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19413038964 + ... + 19413039227.

It is an arithmetic number, because the mean of its divisors is an integer number (543565094688).

Almost surely, 2^{5125042321212} is an apocalyptic number.

It is an amenable number.

5125042321212 is an abundant number, since it is smaller than the sum of its proper divisors (7920519951300).

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

5125042321212 is a wasteful number, since it uses less digits than its factorization.

5125042321212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38826078209 (or 38826078207 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 5125042321212 its reverse (2121232405215), we get a palindrome (7246274726427).

The spelling of 5125042321212 in words is "five trillion, one hundred twenty-five billion, forty-two million, three hundred twenty-one thousand, two hundred twelve".