12253115013440 has 112 divisors (see below), whose sum is σ = 34495838755200. Its totient is φ = 4056203569152.

The previous prime is 12253115013389. The next prime is 12253115013457. The reversal of 12253115013440 is 4431051135221.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 12253115013397 and 12253115013406.

It is a congruent number.

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, 94247810 + ... + 94377729.

Almost surely, 2^{12253115013440} is an apocalyptic number.

12253115013440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12253115013440 is an abundant number, since it is smaller than the sum of its proper divisors (22242723741760).

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

12253115013440 is a wasteful number, since it uses less digits than its factorization.

12253115013440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188625592 (or 188625582 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 12253115013440 its reverse (4431051135221), we get a palindrome (16684166148661).

The spelling of 12253115013440 in words is "twelve trillion, two hundred fifty-three billion, one hundred fifteen million, thirteen thousand, four hundred forty".