12021323293 has 8 divisors (see below), whose sum is σ = 13740830720. Its totient is φ = 10302359760.

The previous prime is 12021323291. The next prime is 12021323311. The reversal of 12021323293 is 39232312021.

12021323293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12021323293 - 2¹ = 12021323291 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 (12021323291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87453 + ... + 178018.

It is an arithmetic number, because the mean of its divisors is an integer number (1717603840).

Almost surely, 2^12021323293 is an apocalyptic number.

It is an amenable number.

12021323293 is a deficient number, since it is larger than the sum of its proper divisors (1719507427).

12021323293 is an equidigital number, since it uses as much as digits as its factorization.

12021323293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271947.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 12021323293 in words is "twelve billion, twenty-one million, three hundred twenty-three thousand, two hundred ninety-three".