12198226788961 has 8 divisors (see below), whose sum is σ = 12314442744864. Its totient is φ = 12082051830240.

The previous prime is 12198226788929. The next prime is 12198226788989. The reversal of 12198226788961 is 16988762289121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12198226788961 - 2⁵ = 12198226788929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12198226788901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9651220 + ... + 10841701.

It is an arithmetic number, because the mean of its divisors is an integer number (1539305343108).

Almost surely, 2^{12198226788961} is an apocalyptic number.

It is an amenable number.

12198226788961 is a deficient number, since it is larger than the sum of its proper divisors (116215955903).

12198226788961 is a wasteful number, since it uses less digits than its factorization.

12198226788961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20498591.

The product of its digits is 83607552, while the sum is 70.

The spelling of 12198226788961 in words is "twelve trillion, one hundred ninety-eight billion, two hundred twenty-six million, seven hundred eighty-eight thousand, nine hundred sixty-one".