12154252456830 has 32 divisors (see below), whose sum is σ = 31822042796928. Its totient is φ = 2946485444000.

The previous prime is 12154252456817. The next prime is 12154252456861. The reversal of 12154252456830 is 3865425245121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12154252456830.

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, 18415533696 + ... + 18415534355.

It is an arithmetic number, because the mean of its divisors is an integer number (994438837404).

Almost surely, 2^{12154252456830} is an apocalyptic number.

12154252456830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12154252456830 is an abundant number, since it is smaller than the sum of its proper divisors (19667790340098).

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

12154252456830 is a wasteful number, since it uses less digits than its factorization.

12154252456830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36831068072.

The product of its (nonzero) digits is 2304000, while the sum is 48.

The spelling of 12154252456830 in words is "twelve trillion, one hundred fifty-four billion, two hundred fifty-two million, four hundred fifty-six thousand, eight hundred thirty".