12261113113 has 8 divisors (see below), whose sum is σ = 12339637632. Its totient is φ = 12182649696.

The previous prime is 12261113107. The next prime is 12261113159. The reversal of 12261113113 is 31131116221.

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 12261113113 - 2⁹ = 12261112601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12261111113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428181 + ... + 455917.

It is an arithmetic number, because the mean of its divisors is an integer number (1542454704).

Almost surely, 2^12261113113 is an apocalyptic number.

It is an amenable number.

12261113113 is a deficient number, since it is larger than the sum of its proper divisors (78524519).

12261113113 is a wasteful number, since it uses less digits than its factorization.

12261113113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30551.

The product of its digits is 216, while the sum is 22.

Adding to 12261113113 its reverse (31131116221), we get a palindrome (43392229334).

The spelling of 12261113113 in words is "twelve billion, two hundred sixty-one million, one hundred thirteen thousand, one hundred thirteen".