22120022211212 has 12 divisors (see below), whose sum is σ = 38733685819920. Its totient is φ = 11053254834096.

The previous prime is 22120022211181. The next prime is 22120022211233. The reversal of 22120022211212 is 21211222002122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1689060512 + ... + 1689073607.

It is an arithmetic number, because the mean of its divisors is an integer number (3227807151660).

Almost surely, 2^{22120022211212} is an apocalyptic number.

It is an amenable number.

22120022211212 is a deficient number, since it is larger than the sum of its proper divisors (16613663608708).

22120022211212 is a wasteful number, since it uses less digits than its factorization.

22120022211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378135760 (or 3378135758 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22120022211212 its reverse (21211222002122), we get a palindrome (43331244213334).

The spelling of 22120022211212 in words is "twenty-two trillion, one hundred twenty billion, twenty-two million, two hundred eleven thousand, two hundred twelve".