12230121012091 has 2 divisors, whose sum is σ = 12230121012092. Its totient is φ = 12230121012090.

The previous prime is 12230121012089. The next prime is 12230121012311. The reversal of 12230121012091 is 19021012103221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12230121012091 - 2¹ = 12230121012089 is a prime.

Together with 12230121012089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12230121010091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115060506045 + 6115060506046.

It is an arithmetic number, because the mean of its divisors is an integer number (6115060506046).

Almost surely, 2^{12230121012091} is an apocalyptic number.

12230121012091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12230121012091 is an equidigital number, since it uses as much as digits as its factorization.

12230121012091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 12230121012091 in words is "twelve trillion, two hundred thirty billion, one hundred twenty-one million, twelve thousand, ninety-one".