2122512635 has 16 divisors (see below), whose sum is σ = 2557787232. Its totient is φ = 1690848000.

The previous prime is 2122512617. The next prime is 2122512647. The reversal of 2122512635 is 5362152212.

It is not a de Polignac number, because 2122512635 - 2¹⁸ = 2122250491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122512598 and 2122512607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1715237 + ... + 1716473.

It is an arithmetic number, because the mean of its divisors is an integer number (159861702).

Almost surely, 2^2122512635 is an apocalyptic number.

2122512635 is a deficient number, since it is larger than the sum of its proper divisors (435274597).

2122512635 is a wasteful number, since it uses less digits than its factorization.

2122512635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414.

The product of its digits is 7200, while the sum is 29.

The square root of 2122512635 is about 46070.7351254568. The cubic root of 2122512635 is about 1285.1389747091.

Adding to 2122512635 its reverse (5362152212), we get a palindrome (7484664847).

The spelling of 2122512635 in words is "two billion, one hundred twenty-two million, five hundred twelve thousand, six hundred thirty-five".