12068497491 has 8 divisors (see below), whose sum is σ = 16149422544. Its totient is φ = 8016618720.

The previous prime is 12068497487. The next prime is 12068497499. The reversal of 12068497491 is 19479486021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12068497491 - 2² = 12068497487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12068497499) 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, 7260600 + ... + 7262261.

It is an arithmetic number, because the mean of its divisors is an integer number (2018677818).

Almost surely, 2^12068497491 is an apocalyptic number.

12068497491 is a deficient number, since it is larger than the sum of its proper divisors (4080925053).

12068497491 is a wasteful number, since it uses less digits than its factorization.

12068497491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14523141.

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 12068497491 in words is "twelve billion, sixty-eight million, four hundred ninety-seven thousand, four hundred ninety-one".