12331200010121 has 4 divisors (see below), whose sum is σ = 12331249816272. Its totient is φ = 12331150203972.

The previous prime is 12331200010117. The next prime is 12331200010127. The reversal of 12331200010121 is 12101000213321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12331200010121 - 2² = 12331200010117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12331200010121.

It is not an unprimeable number, because it can be changed into a prime (12331200010127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24529835 + ... + 25027488.

It is an arithmetic number, because the mean of its divisors is an integer number (3082812454068).

Almost surely, 2^{12331200010121} is an apocalyptic number.

It is an amenable number.

12331200010121 is a deficient number, since it is larger than the sum of its proper divisors (49806151).

12331200010121 is an equidigital number, since it uses as much as digits as its factorization.

12331200010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49806150.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12331200010121 its reverse (12101000213321), we get a palindrome (24432200223442).

The spelling of 12331200010121 in words is "twelve trillion, three hundred thirty-one billion, two hundred million, ten thousand, one hundred twenty-one".