13124123402 has 32 divisors (see below), whose sum is σ = 21285089280. Its totient is φ = 6033182400.

The previous prime is 13124123387. The next prime is 13124123423. The reversal of 13124123402 is 20432142131.

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, 10260599 + ... + 10261877.

It is an arithmetic number, because the mean of its divisors is an integer number (665159040).

Almost surely, 2^13124123402 is an apocalyptic number.

13124123402 is a deficient number, since it is larger than the sum of its proper divisors (8160965878).

13124123402 is a wasteful number, since it uses less digits than its factorization.

13124123402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13124123402 its reverse (20432142131), we get a palindrome (33556265533).

The spelling of 13124123402 in words is "thirteen billion, one hundred twenty-four million, one hundred twenty-three thousand, four hundred two".