2512121310 has 64 divisors (see below), whose sum is σ = 6723374400. Its totient is φ = 667460736.

The previous prime is 2512121279. The next prime is 2512121321. The reversal of 2512121310 is 131212152.

2512121310 is a `hidden beast` number, since 2 + 512 + 121 + 31 + 0 = 666.

It is a super-2 number, since 2×2512121310² = 12621506952312232200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 57996 + ... + 91584.

It is an arithmetic number, because the mean of its divisors is an integer number (105052725).

Almost surely, 2^2512121310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2512121310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3361687200).

2512121310 is an abundant number, since it is smaller than the sum of its proper divisors (4211253090).

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

2512121310 is a wasteful number, since it uses less digits than its factorization.

2512121310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33882 (or 33876 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2512121310 is about 50121.0665289557. The cubic root of 2512121310 is about 1359.3987592518.

Adding to 2512121310 its reverse (131212152), we get a palindrome (2643333462).

The spelling of 2512121310 in words is "two billion, five hundred twelve million, one hundred twenty-one thousand, three hundred ten".