13122311402532 has 24 divisors (see below), whose sum is σ = 30625699793472. Its totient is φ = 4373107631200.

The previous prime is 13122311402491. The next prime is 13122311402537. The reversal of 13122311402532 is 23520411322131.

It is a super-2 number, since 2×13122311402532² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13122311402532.

It is not an unprimeable number, because it can be changed into a prime (13122311402537) 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, 124466319 + ... + 124571702.

It is an arithmetic number, because the mean of its divisors is an integer number (1276070824728).

Almost surely, 2^{13122311402532} is an apocalyptic number.

13122311402532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13122311402532 is an abundant number, since it is smaller than the sum of its proper divisors (17503388390940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13122311402532 is a wasteful number, since it uses less digits than its factorization.

13122311402532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249042419 (or 249042417 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 13122311402532 its reverse (23520411322131), we get a palindrome (36642722724663).

The spelling of 13122311402532 in words is "thirteen trillion, one hundred twenty-two billion, three hundred eleven million, four hundred two thousand, five hundred thirty-two".