12212201230031 has 4 divisors (see below), whose sum is σ = 13322401341864. Its totient is φ = 11102001118200.

The previous prime is 12212201230013. The next prime is 12212201230051. The reversal of 12212201230031 is 13003210221221.

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 12212201230031 - 2³⁰ = 12211127488207 is a prime.

It is a super-2 number, since 2×12212201230031² (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 = 12212201229985 and 12212201230012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212201230051) 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, 555100055900 + ... + 555100055921.

It is an arithmetic number, because the mean of its divisors is an integer number (3330600335466).

Almost surely, 2^{12212201230031} is an apocalyptic number.

12212201230031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12212201230031 is a deficient number, since it is larger than the sum of its proper divisors (1110200111833).

12212201230031 is a wasteful number, since it uses less digits than its factorization.

12212201230031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110200111832.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12212201230031 its reverse (13003210221221), we get a palindrome (25215411451252).

The spelling of 12212201230031 in words is "twelve trillion, two hundred twelve billion, two hundred one million, two hundred thirty thousand, thirty-one".