231212121113299 has 8 divisors (see below), whose sum is σ = 231606054836480. Its totient is φ = 230818274454600.

The previous prime is 231212121113249. The next prime is 231212121113321. The reversal of 231212121113299 is 992311121212132.

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 231212121113299 - 2⁹ = 231212121112787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231212121113249) 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, 16449207 + ... + 27073984.

It is an arithmetic number, because the mean of its divisors is an integer number (28950756854560).

Almost surely, 2^{231212121113299} is an apocalyptic number.

231212121113299 is a deficient number, since it is larger than the sum of its proper divisors (393933723181).

231212121113299 is an equidigital number, since it uses as much as digits as its factorization.

231212121113299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43532241.

The product of its digits is 23328, while the sum is 40.

The spelling of 231212121113299 in words is "two hundred thirty-one trillion, two hundred twelve billion, one hundred twenty-one million, one hundred thirteen thousand, two hundred ninety-nine".