12220221333234 has 32 divisors (see below), whose sum is σ = 24474614774400. Its totient is φ = 4067712335232.

The previous prime is 12220221333193. The next prime is 12220221333241. The reversal of 12220221333234 is 43233312202221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101479692 + ... + 101600040.

It is an arithmetic number, because the mean of its divisors is an integer number (764831711700).

Almost surely, 2^{12220221333234} is an apocalyptic number.

12220221333234 is an abundant number, since it is smaller than the sum of its proper divisors (12254393441166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220221333234 is a wasteful number, since it uses less digits than its factorization.

12220221333234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143874.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 12220221333234 its reverse (43233312202221), we get a palindrome (55453533535455).

The spelling of 12220221333234 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-one million, three hundred thirty-three thousand, two hundred thirty-four".