12121760423 has 2 divisors, whose sum is σ = 12121760424. Its totient is φ = 12121760422.

The previous prime is 12121760407. The next prime is 12121760437. The reversal of 12121760423 is 32406712121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12121760423 - 2⁴ = 12121760407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12121760473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060880211 + 6060880212.

It is an arithmetic number, because the mean of its divisors is an integer number (6060880212).

Almost surely, 2^12121760423 is an apocalyptic number.

12121760423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121760423 is an equidigital number, since it uses as much as digits as its factorization.

12121760423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 12121760423 in words is "twelve billion, one hundred twenty-one million, seven hundred sixty thousand, four hundred twenty-three".