12338054861 has 16 divisors (see below), whose sum is σ = 14301862848. Its totient is φ = 10519276800.

The previous prime is 12338054857. The next prime is 12338054863. The reversal of 12338054861 is 16845083321.

It is a cyclic number.

It is not a de Polignac number, because 12338054861 - 2² = 12338054857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12338054863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63650 + ... + 169491.

It is an arithmetic number, because the mean of its divisors is an integer number (893866428).

Almost surely, 2^12338054861 is an apocalyptic number.

12338054861 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12338054861 is a deficient number, since it is larger than the sum of its proper divisors (1963807987).

12338054861 is a wasteful number, since it uses less digits than its factorization.

12338054861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233452.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 12338054861 in words is "twelve billion, three hundred thirty-eight million, fifty-four thousand, eight hundred sixty-one".