12040304293 has 4 divisors (see below), whose sum is σ = 12563795808. Its totient is φ = 11516812780.

The previous prime is 12040304291. The next prime is 12040304317. The reversal of 12040304293 is 39240304021.

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 12040304293 - 2¹ = 12040304291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040304291) 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, 261745723 + ... + 261745768.

It is an arithmetic number, because the mean of its divisors is an integer number (3140948952).

Almost surely, 2^12040304293 is an apocalyptic number.

It is an amenable number.

12040304293 is a deficient number, since it is larger than the sum of its proper divisors (523491515).

12040304293 is an equidigital number, since it uses as much as digits as its factorization.

12040304293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523491514.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 12040304293 in words is "twelve billion, forty million, three hundred four thousand, two hundred ninety-three".