12156011046774 has 384 divisors, whose sum is σ = 32801062275072. Its totient is φ = 3301923502080.

The previous prime is 12156011046733. The next prime is 12156011046779. The reversal of 12156011046774 is 47764011065121.

12156011046774 is a `hidden beast` number, since 1 + 2 + 1 + 5 + 6 + 0 + 110 + 467 + 74 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12156011046779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1009881084 + ... + 1009893120.

It is an arithmetic number, because the mean of its divisors is an integer number (85419433008).

Almost surely, 2^{12156011046774} is an apocalyptic number.

12156011046774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12156011046774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16400531137536).

12156011046774 is an abundant number, since it is smaller than the sum of its proper divisors (20645051228298).

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

12156011046774 is a wasteful number, since it uses less digits than its factorization.

12156011046774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12282 (or 12270 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 12156011046774 in words is "twelve trillion, one hundred fifty-six billion, eleven million, forty-six thousand, seven hundred seventy-four".