5121632112 has 160 divisors (see below), whose sum is σ = 13858255872. Its totient is φ = 1628762112.

The previous prime is 5121632099. The next prime is 5121632123. The reversal of 5121632112 is 2112361215.

It is a happy number.

It is a super-2 number, since 2×5121632112² = 52462230981339161088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22562143 + ... + 22562369.

Almost surely, 2^5121632112 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 5121632112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6929127936).

5121632112 is an abundant number, since it is smaller than the sum of its proper divisors (8736623760).

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

5121632112 is a wasteful number, since it uses less digits than its factorization.

5121632112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 489 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 5121632112 is about 71565.5791005704. The cubic root of 5121632112 is about 1723.7308720852.

Adding to 5121632112 its reverse (2112361215), we get a palindrome (7233993327).

The spelling of 5121632112 in words is "five billion, one hundred twenty-one million, six hundred thirty-two thousand, one hundred twelve".