2127309912 has 192 divisors, whose sum is σ = 7403205600. Its totient is φ = 561012480.

The previous prime is 2127309871. The next prime is 2127309941. The reversal of 2127309912 is 2199037212.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129862 + ... + 145322.

Almost surely, 2^2127309912 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 2127309912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3701602800).

2127309912 is an abundant number, since it is smaller than the sum of its proper divisors (5275895688).

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

2127309912 is a wasteful number, since it uses less digits than its factorization.

2127309912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15503 (or 15486 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 2127309912 is about 46122.7699948735. The cubic root of 2127309912 is about 1286.1064646162.

The spelling of 2127309912 in words is "two billion, one hundred twenty-seven million, three hundred nine thousand, nine hundred twelve".