13021122052 has 24 divisors (see below), whose sum is σ = 24230953656. Its totient is φ = 6101280768.

The previous prime is 13021122007. The next prime is 13021122053. The reversal of 13021122052 is 25022112031.

It can be written as a sum of positive squares in 4 ways, for example, as 976937536 + 12044184516 = 31256^2 + 109746^2 .

It is not an unprimeable number, because it can be changed into a prime (13021122053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395073 + ... + 426760.

It is an arithmetic number, because the mean of its divisors is an integer number (1009623069).

Almost surely, 2^13021122052 is an apocalyptic number.

It is an amenable number.

13021122052 is a deficient number, since it is larger than the sum of its proper divisors (11209831604).

13021122052 is a wasteful number, since it uses less digits than its factorization.

13021122052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822087 (or 822085 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 13021122052 its reverse (25022112031), we get a palindrome (38043234083).

It can be divided in two parts, 1302112 and 2052, that added together give a square (1304164 = 1142²).

The spelling of 13021122052 in words is "thirteen billion, twenty-one million, one hundred twenty-two thousand, fifty-two".