2112502400 has 48 divisors (see below), whose sum is σ = 5218548990. Its totient is φ = 844999680.

The previous prime is 2112502363. The next prime is 2112502451. The reversal of 2112502400 is 42052112.

It can be written as a sum of positive squares in 3 ways, for example, as 1817487424 + 295014976 = 42632^2 + 17176^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 326879 + ... + 333278.

Almost surely, 2^2112502400 is an apocalyptic number.

2112502400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112502400 is an abundant number, since it is smaller than the sum of its proper divisors (3106046590).

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

2112502400 is an equidigital number, since it uses as much as digits as its factorization.

2112502400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660181 (or 660164 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2112502400 is about 45961.9668856762. The cubic root of 2112502400 is about 1283.1154578497.

Adding to 2112502400 its reverse (42052112), we get a palindrome (2154554512).

The spelling of 2112502400 in words is "two billion, one hundred twelve million, five hundred two thousand, four hundred".