12021422293 has 2 divisors, whose sum is σ = 12021422294. Its totient is φ = 12021422292.

The previous prime is 12021422269. The next prime is 12021422377. The reversal of 12021422293 is 39222412021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8421182289 + 3600240004 = 91767^2 + 60002^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021422293 - 2¹³ = 12021414101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021422233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010711146 + 6010711147.

It is an arithmetic number, because the mean of its divisors is an integer number (6010711147).

Almost surely, 2^12021422293 is an apocalyptic number.

It is an amenable number.

12021422293 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021422293 is an equidigital number, since it uses as much as digits as its factorization.

12021422293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 12021422293 in words is "twelve billion, twenty-one million, four hundred twenty-two thousand, two hundred ninety-three".