12011202097 has 4 divisors (see below), whose sum is σ = 12014267760. Its totient is φ = 12008136436.

The previous prime is 12011202067. The next prime is 12011202101. The reversal of 12011202097 is 79020211021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79020211021 = 379 ⋅208496599.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011202097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011202017) 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, 1526947 + ... + 1534792.

It is an arithmetic number, because the mean of its divisors is an integer number (3003566940).

Almost surely, 2^12011202097 is an apocalyptic number.

It is an amenable number.

12011202097 is a deficient number, since it is larger than the sum of its proper divisors (3065663).

12011202097 is an equidigital number, since it uses as much as digits as its factorization.

12011202097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065662.

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

The spelling of 12011202097 in words is "twelve billion, eleven million, two hundred two thousand, ninety-seven".