2312400112 has 160 divisors (see below), whose sum is σ = 5415081984. Its totient is φ = 944332800.

The previous prime is 2312400109. The next prime is 2312400113. The reversal of 2312400112 is 2110042132.

It is a super-2 number, since 2×2312400112² = 10694388555955225088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312400113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9924348 + ... + 9924580.

Almost surely, 2^2312400112 is an apocalyptic number.

2312400112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312400112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2707540992).

2312400112 is an abundant number, since it is smaller than the sum of its proper divisors (3102681872).

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

2312400112 is a wasteful number, since it uses less digits than its factorization.

2312400112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2312400112 is about 48087.4215569935. The cubic root of 2312400112 is about 1322.3740777259.

Adding to 2312400112 its reverse (2110042132), we get a palindrome (4422442244).

The spelling of 2312400112 in words is "two billion, three hundred twelve million, four hundred thousand, one hundred twelve".