12145255254400 has 48 divisors (see below), whose sum is σ = 30002575878540. Its totient is φ = 4858102100480.

The previous prime is 12145255254313. The next prime is 12145255254439. The reversal of 12145255254400 is 445255254121.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1897692934 + ... + 1897699333.

Almost surely, 2^{12145255254400} is an apocalyptic number.

12145255254400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12145255254400 is an abundant number, since it is smaller than the sum of its proper divisors (17857320624140).

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

12145255254400 is an equidigital number, since it uses as much as digits as its factorization.

12145255254400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795392291 (or 3795392274 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 40.

The spelling of 12145255254400 in words is "twelve trillion, one hundred forty-five billion, two hundred fifty-five million, two hundred fifty-four thousand, four hundred".