12154576896 has 336 divisors, whose sum is σ = 43795297728. Its totient is φ = 3155558400.

The previous prime is 12154576891. The next prime is 12154577027. The reversal of 12154576896 is 69867545121.

It is a happy number.

12154576896 is a `hidden beast` number, since 1 + 2 + 1 + 545 + 7 + 6 + 8 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is not an unprimeable number, because it can be changed into a prime (12154576891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5675986 + ... + 5678126.

It is an arithmetic number, because the mean of its divisors is an integer number (130343148).

Almost surely, 2^12154576896 is an apocalyptic number.

12154576896 is a gapful number since it is divisible by the number (16) 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 12154576896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21897648864).

12154576896 is an abundant number, since it is smaller than the sum of its proper divisors (31640720832).

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

12154576896 is a wasteful number, since it uses less digits than its factorization.

12154576896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191 (or 2164 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The spelling of 12154576896 in words is "twelve billion, one hundred fifty-four million, five hundred seventy-six thousand, eight hundred ninety-six".