12135246562 has 16 divisors (see below), whose sum is σ = 18837815040. Its totient is φ = 5856136272.

The previous prime is 12135246559. The next prime is 12135246623. The reversal of 12135246562 is 26564253121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116623 + ... + 194605.

It is an arithmetic number, because the mean of its divisors is an integer number (1177363440).

Almost surely, 2^12135246562 is an apocalyptic number.

12135246562 is a deficient number, since it is larger than the sum of its proper divisors (6702568478).

12135246562 is a wasteful number, since it uses less digits than its factorization.

12135246562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80697.

The product of its digits is 86400, while the sum is 37.

Adding to 12135246562 its reverse (26564253121), we get a palindrome (38699499683).

The spelling of 12135246562 in words is "twelve billion, one hundred thirty-five million, two hundred forty-six thousand, five hundred sixty-two".