12012012097 has 4 divisors (see below), whose sum is σ = 12644223280. Its totient is φ = 11379800916.

The previous prime is 12012012083. The next prime is 12012012151. The reversal of 12012012097 is 79021021021.

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 12012012097 - 2¹⁹ = 12011487809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012012017) 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, 316105563 + ... + 316105600.

It is an arithmetic number, because the mean of its divisors is an integer number (3161055820).

Almost surely, 2^12012012097 is an apocalyptic number.

It is an amenable number.

12012012097 is a deficient number, since it is larger than the sum of its proper divisors (632211183).

12012012097 is an equidigital number, since it uses as much as digits as its factorization.

12012012097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632211182.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 12012012097 in words is "twelve billion, twelve million, twelve thousand, ninety-seven".