12154156278930 has 96 divisors (see below), whose sum is σ = 31737052741680. Its totient is φ = 3227138703360.

The previous prime is 12154156278919. The next prime is 12154156278959. The reversal of 12154156278930 is 3987265145121.

12154156278930 is a `hidden beast` number, since 1 + 2 + 1 + 5 + 4 + 1 + 5 + 627 + 8 + 9 + 3 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 8423861907321 + 3730294371609 = 2902389^2 + 1931397^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145042524 + ... + 145126296.

It is a 1-persistent number, because it is pandigital, but 2⋅12154156278930 = 24308312557860 is not.

Almost surely, 2^{12154156278930} is an apocalyptic number.

12154156278930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12154156278930 is an abundant number, since it is smaller than the sum of its proper divisors (19582896462750).

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

12154156278930 is a wasteful number, since it uses less digits than its factorization.

12154156278930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90716 (or 90713 counting only the distinct ones).

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

The spelling of 12154156278930 in words is "twelve trillion, one hundred fifty-four billion, one hundred fifty-six million, two hundred seventy-eight thousand, nine hundred thirty".