12156079340 has 48 divisors (see below), whose sum is σ = 26540819424. Its totient is φ = 4673011200.

The previous prime is 12156079339. The next prime is 12156079343. The reversal of 12156079340 is 4397065121.

12156079340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12156079294 and 12156079303.

It is not an unprimeable number, because it can be changed into a prime (12156079343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55691 + ... + 165570.

It is an arithmetic number, because the mean of its divisors is an integer number (552933738).

Almost surely, 2^12156079340 is an apocalyptic number.

12156079340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12156079340 is an abundant number, since it is smaller than the sum of its proper divisors (14384740084).

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

12156079340 is a wasteful number, since it uses less digits than its factorization.

12156079340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221378 (or 221376 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 12156079340 in words is "twelve billion, one hundred fifty-six million, seventy-nine thousand, three hundred forty".