5111211012 has 24 divisors (see below), whose sum is σ = 12020069376. Its totient is φ = 1690321248.

The previous prime is 5111211011. The next prime is 5111211013. The reversal of 5111211012 is 2101121115.

It is an interprime number because it is at equal distance from previous prime (5111211011) and next prime (5111211013).

It is a super-2 number, since 2×5111211012² = 52248956018380128288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5111210982 and 5111211000.

It is not an unprimeable number, because it can be changed into a prime (5111211011) 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, 1675383 + ... + 1678430.

It is an arithmetic number, because the mean of its divisors is an integer number (500836224).

Almost surely, 2^5111211012 is an apocalyptic number.

It is an amenable number.

5111211012 is an abundant number, since it is smaller than the sum of its proper divisors (6908858364).

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

5111211012 is a wasteful number, since it uses less digits than its factorization.

5111211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353947 (or 3353945 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 15.

The square root of 5111211012 is about 71492.7339804543. The cubic root of 5111211012 is about 1722.5609736007.

Adding to 5111211012 its reverse (2101121115), we get a palindrome (7212332127).

The spelling of 5111211012 in words is "five billion, one hundred eleven million, two hundred eleven thousand, twelve".