22102020021212 has 24 divisors (see below), whose sum is σ = 38922543742992. Its totient is φ = 10981388419200.

The previous prime is 22102020021181. The next prime is 22102020021239. The reversal of 22102020021212 is 21212002020122.

It is a happy number.

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, 10968089 + ... + 12825872.

It is an arithmetic number, because the mean of its divisors is an integer number (1621772655958).

Almost surely, 2^{22102020021212} is an apocalyptic number.

It is an amenable number.

22102020021212 is a deficient number, since it is larger than the sum of its proper divisors (16820523721780).

22102020021212 is a wasteful number, since it uses less digits than its factorization.

22102020021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23795429 (or 23795427 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22102020021212 its reverse (21212002020122), we get a palindrome (43314022041334).

The spelling of 22102020021212 in words is "twenty-two trillion, one hundred two billion, twenty million, twenty-one thousand, two hundred twelve".