5156235703212 has 24 divisors (see below), whose sum is σ = 13124963608512. Its totient is φ = 1562495667600.

The previous prime is 5156235703193. The next prime is 5156235703217. The reversal of 5156235703212 is 2123075326515.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5156235703217) 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, 19531195714 + ... + 19531195977.

It is an arithmetic number, because the mean of its divisors is an integer number (546873483688).

Almost surely, 2^{5156235703212} is an apocalyptic number.

It is an amenable number.

5156235703212 is an abundant number, since it is smaller than the sum of its proper divisors (7968727905300).

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

5156235703212 is a wasteful number, since it uses less digits than its factorization.

5156235703212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39062391709 (or 39062391707 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 5156235703212 in words is "five trillion, one hundred fifty-six billion, two hundred thirty-five million, seven hundred three thousand, two hundred twelve".