12154336034680 has 128 divisors (see below), whose sum is σ = 31314860858880. Its totient is φ = 4159093086720.

The previous prime is 12154336034669. The next prime is 12154336034681. The reversal of 12154336034680 is 8643063345121.

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 12154336034680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12154336034681) 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, 427789675 + ... + 427818085.

It is an arithmetic number, because the mean of its divisors is an integer number (244647350460).

Almost surely, 2^{12154336034680} is an apocalyptic number.

12154336034680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12154336034680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15657430429440).

12154336034680 is an abundant number, since it is smaller than the sum of its proper divisors (19160524824200).

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

12154336034680 is a wasteful number, since it uses less digits than its factorization.

12154336034680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31349 (or 31345 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 12154336034680 in words is "twelve trillion, one hundred fifty-four billion, three hundred thirty-six million, thirty-four thousand, six hundred eighty".