12022020223231 has 4 divisors (see below), whose sum is σ = 12022062787864. Its totient is φ = 12021977658600.

The previous prime is 12022020223217. The next prime is 12022020223259. The reversal of 12022020223231 is 13232202022021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12022020223231 - 2¹³ = 12022020215039 is a prime.

It is a super-2 number, since 2×12022020223231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022020223331) 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, 20855805 + ... + 21424486.

It is an arithmetic number, because the mean of its divisors is an integer number (3005515696966).

Almost surely, 2^{12022020223231} is an apocalyptic number.

12022020223231 is a deficient number, since it is larger than the sum of its proper divisors (42564633).

12022020223231 is an equidigital number, since it uses as much as digits as its factorization.

12022020223231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42564632.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12022020223231 its reverse (13232202022021), we get a palindrome (25254222245252).

The spelling of 12022020223231 in words is "twelve trillion, twenty-two billion, twenty million, two hundred twenty-three thousand, two hundred thirty-one".