12158240426112 has 256 divisors, whose sum is σ = 37277742528000. Its totient is φ = 3472314531840.

The previous prime is 12158240426099. The next prime is 12158240426177. The reversal of 12158240426112 is 21162404285121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15096939 + ... + 15881877.

It is an arithmetic number, because the mean of its divisors is an integer number (145616181750).

Almost surely, 2^{12158240426112} is an apocalyptic number.

12158240426112 is a gapful number since it is divisible by the number (12) 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 12158240426112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18638871264000).

12158240426112 is an abundant number, since it is smaller than the sum of its proper divisors (25119502101888).

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

12158240426112 is a wasteful number, since it uses less digits than its factorization.

12158240426112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785179 (or 785167 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The spelling of 12158240426112 in words is "twelve trillion, one hundred fifty-eight billion, two hundred forty million, four hundred twenty-six thousand, one hundred twelve".