12211212233330 has 64 divisors (see below), whose sum is σ = 24391626940800. Its totient is φ = 4363955857920.

The previous prime is 12211212233323. The next prime is 12211212233377. The reversal of 12211212233330 is 3333221211221.

It is a super-2 number, since 2×12211212233330² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12211212233330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23056736 + ... + 23580404.

It is an arithmetic number, because the mean of its divisors is an integer number (381119170950).

Almost surely, 2^{12211212233330} is an apocalyptic number.

12211212233330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211212233330 is a deficient number, since it is larger than the sum of its proper divisors (12180414707470).

12211212233330 is a wasteful number, since it uses less digits than its factorization.

12211212233330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527339.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12211212233330 its reverse (3333221211221), we get a palindrome (15544433444551).

The spelling of 12211212233330 in words is "twelve trillion, two hundred eleven billion, two hundred twelve million, two hundred thirty-three thousand, three hundred thirty".