13001251522 has 32 divisors (see below), whose sum is σ = 23091868800. Its totient is φ = 5371554048.

The previous prime is 13001251489. The next prime is 13001251553. The reversal of 13001251522 is 22515210031.

It is a super-2 number, since 2×13001251522² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13001251493 and 13001251502.

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, 243258 + ... + 291850.

It is an arithmetic number, because the mean of its divisors is an integer number (721620900).

Almost surely, 2^13001251522 is an apocalyptic number.

13001251522 is a deficient number, since it is larger than the sum of its proper divisors (10090617278).

13001251522 is a wasteful number, since it uses less digits than its factorization.

13001251522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49290.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 13001251522 its reverse (22515210031), we get a palindrome (35516461553).

The spelling of 13001251522 in words is "thirteen billion, one million, two hundred fifty-one thousand, five hundred twenty-two".