22021012210012 has 6 divisors (see below), whose sum is σ = 38536771367528. Its totient is φ = 11010506105004.

The previous prime is 22021012210003. The next prime is 22021012210033. The reversal of 22021012210012 is 21001221012022.

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 as a sum of consecutive naturals, namely, 2752626526248 + ... + 2752626526255.

Almost surely, 2^{22021012210012} is an apocalyptic number.

It is an amenable number.

22021012210012 is a deficient number, since it is larger than the sum of its proper divisors (16515759157516).

22021012210012 is a wasteful number, since it uses less digits than its factorization.

22021012210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505253052507 (or 5505253052505 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22021012210012 its reverse (21001221012022), we get a palindrome (43022233222034).

The spelling of 22021012210012 in words is "twenty-two trillion, twenty-one billion, twelve million, two hundred ten thousand, twelve".