22120220000012 has 6 divisors (see below), whose sum is σ = 38710385000028. Its totient is φ = 11060110000004.

The previous prime is 22120219999993. The next prime is 22120220000027. The reversal of 22120220000012 is 21000002202122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2765027499998 + ... + 2765027500005.

It is an arithmetic number, because the mean of its divisors is an integer number (6451730833338).

Almost surely, 2^{22120220000012} is an apocalyptic number.

It is an amenable number.

22120220000012 is a deficient number, since it is larger than the sum of its proper divisors (16590165000016).

22120220000012 is a wasteful number, since it uses less digits than its factorization.

22120220000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530055000007 (or 5530055000005 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22120220000012 its reverse (21000002202122), we get a palindrome (43120222202134).

The spelling of 22120220000012 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty million, twelve", and thus it is an aban number.