12115051253140 has 96 divisors (see below), whose sum is σ = 29316061716480. Its totient is φ = 4164213110400.

The previous prime is 12115051253099. The next prime is 12115051253141. The reversal of 12115051253140 is 4135215051121.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12115051253141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20362560 + ... + 20949079.

It is an arithmetic number, because the mean of its divisors is an integer number (305375642880).

Almost surely, 2^{12115051253140} is an apocalyptic number.

12115051253140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12115051253140 is an abundant number, since it is smaller than the sum of its proper divisors (17201010463340).

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

12115051253140 is a wasteful number, since it uses less digits than its factorization.

12115051253140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41311733 (or 41311731 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 31.

The spelling of 12115051253140 in words is "twelve trillion, one hundred fifteen billion, fifty-one million, two hundred fifty-three thousand, one hundred forty".