22212000021012 has 24 divisors (see below), whose sum is σ = 52484050684800. Its totient is φ = 7310278487616.

The previous prime is 22212000020963. The next prime is 22212000021151. The reversal of 22212000021012 is 21012000021222.

It is a junction number, because it is equal to n+sod(n) for n = 22212000020982 and 22212000021000.

It is a congruent 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, 11715188937 + ... + 11715190832.

It is an arithmetic number, because the mean of its divisors is an integer number (2186835445200).

Almost surely, 2^{22212000021012} is an apocalyptic number.

It is an amenable number.

22212000021012 is an abundant number, since it is smaller than the sum of its proper divisors (30272050663788).

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

22212000021012 is a wasteful number, since it uses less digits than its factorization.

22212000021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23430379855 (or 23430379853 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22212000021012 its reverse (21012000021222), we get a palindrome (43224000042234).

The spelling of 22212000021012 in words is "twenty-two trillion, two hundred twelve billion, twenty-one thousand, twelve".