5012111720 has 64 divisors (see below), whose sum is σ = 14059958400. Its totient is φ = 1562215680.

The previous prime is 5012111719. The next prime is 5012111747. The reversal of 5012111720 is 271112105.

It is a happy number.

It is a super-2 number, since 2×5012111720² = 50242527787522716800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 5012111692 and 5012111701.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810575 + ... + 816734.

It is an arithmetic number, because the mean of its divisors is an integer number (219686850).

Almost surely, 2^5012111720 is an apocalyptic number.

It is an amenable number.

5012111720 is an abundant number, since it is smaller than the sum of its proper divisors (9047846680).

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

5012111720 is a wasteful number, since it uses less digits than its factorization.

5012111720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627338 (or 1627334 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 5012111720 is about 70796.2691107377. The cubic root of 5012111720 is about 1711.3555499759.

Adding to 5012111720 its reverse (271112105), we get a palindrome (5283223825).

The spelling of 5012111720 in words is "five billion, twelve million, one hundred eleven thousand, seven hundred twenty".