5212122561372 has 12 divisors (see below), whose sum is σ = 12161619309896. Its totient is φ = 1737374187120.

The previous prime is 5212122561353. The next prime is 5212122561427. The reversal of 5212122561372 is 2731652212125.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 5212122561372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217171773379 + ... + 217171773402.

Almost surely, 2^{5212122561372} is an apocalyptic number.

It is an amenable number.

5212122561372 is an abundant number, since it is smaller than the sum of its proper divisors (6949496748524).

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

5212122561372 is a wasteful number, since it uses less digits than its factorization.

5212122561372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434343546788 (or 434343546786 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

Adding to 5212122561372 its reverse (2731652212125), we get a palindrome (7943774773497).

The spelling of 5212122561372 in words is "five trillion, two hundred twelve billion, one hundred twenty-two million, five hundred sixty-one thousand, three hundred seventy-two".