12222120222031 has 4 divisors (see below), whose sum is σ = 12248632413864. Its totient is φ = 12195608030200.

The previous prime is 12222120222017. The next prime is 12222120222047. The reversal of 12222120222031 is 13022202122221.

It is a happy number.

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 12222120222031 - 2¹⁵ = 12222120189263 is a prime.

It is a super-2 number, since 2×12222120222031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12222120221993 and 12222120222011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222120225031) 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, 13256095225 + ... + 13256096146.

It is an arithmetic number, because the mean of its divisors is an integer number (3062158103466).

Almost surely, 2^{12222120222031} is an apocalyptic number.

12222120222031 is a deficient number, since it is larger than the sum of its proper divisors (26512191833).

12222120222031 is an equidigital number, since it uses as much as digits as its factorization.

12222120222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26512191832.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12222120222031 its reverse (13022202122221), we get a palindrome (25244322344252).

The spelling of 12222120222031 in words is "twelve trillion, two hundred twenty-two billion, one hundred twenty million, two hundred twenty-two thousand, thirty-one".