12221303213031 has 8 divisors (see below), whose sum is σ = 17776441037184. Its totient is φ = 7406850432120.

The previous prime is 12221303212933. The next prime is 12221303213057. The reversal of 12221303213031 is 13031230312221.

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

It is not a de Polignac number, because 12221303213031 - 2¹¹ = 12221303210983 is a prime.

It is a super-2 number, since 2×12221303213031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12221303212992 and 12221303213010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221303217031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185171260771 + ... + 185171260836.

It is an arithmetic number, because the mean of its divisors is an integer number (2222055129648).

Almost surely, 2^{12221303213031} is an apocalyptic number.

12221303213031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12221303213031 is a deficient number, since it is larger than the sum of its proper divisors (5555137824153).

12221303213031 is a wasteful number, since it uses less digits than its factorization.

12221303213031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370342521621.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12221303213031 its reverse (13031230312221), we get a palindrome (25252533525252).

The spelling of 12221303213031 in words is "twelve trillion, two hundred twenty-one billion, three hundred three million, two hundred thirteen thousand, thirty-one".