22021212101012 has 12 divisors (see below), whose sum is σ = 39190292722560. Its totient is φ = 10823985608856.

The previous prime is 22021212100999. The next prime is 22021212101027. The reversal of 22021212101012 is 21010121212022.

It is a congruent number.

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, 46655110148 + ... + 46655110619.

It is an arithmetic number, because the mean of its divisors is an integer number (3265857726880).

Almost surely, 2^{22021212101012} is an apocalyptic number.

It is an amenable number.

22021212101012 is a deficient number, since it is larger than the sum of its proper divisors (17169080621548).

22021212101012 is a wasteful number, since it uses less digits than its factorization.

22021212101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93310220830 (or 93310220828 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22021212101012 its reverse (21010121212022), we get a palindrome (43031333313034).

The spelling of 22021212101012 in words is "twenty-two trillion, twenty-one billion, two hundred twelve million, one hundred one thousand, twelve".