12198156103744 has 56 divisors (see below), whose sum is σ = 26084332375808. Its totient is φ = 5626324800000.

The previous prime is 12198156103711. The next prime is 12198156103751. The reversal of 12198156103744 is 44730165189121.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 12198156103691 and 12198156103700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3374382 + ... + 5981869.

It is an arithmetic number, because the mean of its divisors is an integer number (465791649568).

It is a 1-persistent number, because it is pandigital, but 2⋅12198156103744 = 24396312207488 is not.

Almost surely, 2^{12198156103744} is an apocalyptic number.

It is an amenable number.

12198156103744 is an abundant number, since it is smaller than the sum of its proper divisors (13886176272064).

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

12198156103744 is a wasteful number, since it uses less digits than its factorization.

12198156103744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9357843 (or 9357833 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 12198156103744 in words is "twelve trillion, one hundred ninety-eight billion, one hundred fifty-six million, one hundred three thousand, seven hundred forty-four".