12240020293 has 4 divisors (see below), whose sum is σ = 12261761568. Its totient is φ = 12218279020.

The previous prime is 12240020237. The next prime is 12240020297. The reversal of 12240020293 is 39202004221.

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 12240020293 - 2²¹ = 12237923141 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 (12240020297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10869793 + ... + 10870918.

It is an arithmetic number, because the mean of its divisors is an integer number (3065440392).

Almost surely, 2^12240020293 is an apocalyptic number.

It is an amenable number.

12240020293 is a deficient number, since it is larger than the sum of its proper divisors (21741275).

12240020293 is an equidigital number, since it uses as much as digits as its factorization.

12240020293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21741274.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 12240020293 in words is "twelve billion, two hundred forty million, twenty thousand, two hundred ninety-three".