22120012221234 has 16 divisors (see below), whose sum is σ = 44240109067488. Its totient is φ = 7373323302912.

The previous prime is 22120012221163. The next prime is 22120012221337. The reversal of 22120012221234 is 43212221002122.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170034 + ... + 6653490.

It is an arithmetic number, because the mean of its divisors is an integer number (2765006816718).

Almost surely, 2^{22120012221234} is an apocalyptic number.

22120012221234 is an abundant number, since it is smaller than the sum of its proper divisors (22120096846254).

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

22120012221234 is a wasteful number, since it uses less digits than its factorization.

22120012221234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7052089.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 22120012221234 its reverse (43212221002122), we get a palindrome (65332233223356).

The spelling of 22120012221234 in words is "twenty-two trillion, one hundred twenty billion, twelve million, two hundred twenty-one thousand, two hundred thirty-four".