12220030333331 has 4 divisors (see below), whose sum is σ = 12224488574064. Its totient is φ = 12215572092600.

The previous prime is 12220030333307. The next prime is 12220030333337. The reversal of 12220030333331 is 13333303002221.

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 12220030333331 - 2³⁰ = 12218956591507 is a prime.

It is a super-2 number, since 2×12220030333331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12220030333331.

It is not an unprimeable number, because it can be changed into a prime (12220030333337) 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, 2229116255 + ... + 2229121736.

It is an arithmetic number, because the mean of its divisors is an integer number (3056122143516).

Almost surely, 2^{12220030333331} is an apocalyptic number.

12220030333331 is a deficient number, since it is larger than the sum of its proper divisors (4458240733).

12220030333331 is an equidigital number, since it uses as much as digits as its factorization.

12220030333331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458240732.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 12220030333331 its reverse (13333303002221), we get a palindrome (25553333335552).

The spelling of 12220030333331 in words is "twelve trillion, two hundred twenty billion, thirty million, three hundred thirty-three thousand, three hundred thirty-one".