5121162112 has 128 divisors (see below), whose sum is σ = 11967782400. Its totient is φ = 2157834240.

The previous prime is 5121162107. The next prime is 5121162121. The reversal of 5121162112 is 2112611215.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 1255308 + ... + 1259380.

It is an arithmetic number, because the mean of its divisors is an integer number (93498300).

Almost surely, 2^5121162112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5121162112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5983891200).

5121162112 is an abundant number, since it is smaller than the sum of its proper divisors (6846620288).

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

5121162112 is a wasteful number, since it uses less digits than its factorization.

5121162112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164 (or 4152 counting only the distinct ones).

The product of its digits is 240, while the sum is 22.

The square root of 5121162112 is about 71562.2953237248. The cubic root of 5121162112 is about 1723.6781429112.

Adding to 5121162112 its reverse (2112611215), we get a palindrome (7233773327).

The spelling of 5121162112 in words is "five billion, one hundred twenty-one million, one hundred sixty-two thousand, one hundred twelve".