52120239212 has 24 divisors (see below), whose sum is σ = 94416688800. Its totient is φ = 25145206016.

The previous prime is 52120239203. The next prime is 52120239217. The reversal of 52120239212 is 21293202125.

52120239212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52120239212² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (52120239217) 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, 35489 + ... + 324807.

It is an arithmetic number, because the mean of its divisors is an integer number (3934028700).

Almost surely, 2^52120239212 is an apocalyptic number.

It is an amenable number.

52120239212 is a deficient number, since it is larger than the sum of its proper divisors (42296449588).

52120239212 is a wasteful number, since it uses less digits than its factorization.

52120239212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290905 (or 290903 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 52120239212 in words is "fifty-two billion, one hundred twenty million, two hundred thirty-nine thousand, two hundred twelve".