22021200010212 has 48 divisors (see below), whose sum is σ = 57120333537792. Its totient is φ = 6557181143040.

The previous prime is 22021200010129. The next prime is 22021200010219. The reversal of 22021200010212 is 21201000212022.

22021200010212 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 22021200010191 and 22021200010200.

It is not an unprimeable number, because it can be changed into a prime (22021200010219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2276794173 + ... + 2276803844.

It is an arithmetic number, because the mean of its divisors is an integer number (1190006948704).

Almost surely, 2^{22021200010212} is an apocalyptic number.

It is an amenable number.

22021200010212 is an abundant number, since it is smaller than the sum of its proper divisors (35099133527580).

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

22021200010212 is a wasteful number, since it uses less digits than its factorization.

22021200010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553598068 (or 4553598066 counting only the distinct ones).

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

Adding to 22021200010212 its reverse (21201000212022), we get a palindrome (43222200222234).

The spelling of 22021200010212 in words is "twenty-two trillion, twenty-one billion, two hundred million, ten thousand, two hundred twelve".