212000000021022 has 32 divisors (see below), whose sum is σ = 428373506679552. Its totient is φ = 69937756971264.

The previous prime is 212000000021021. The next prime is 212000000021039. The reversal of 212000000021022 is 220120000000212.

It is a junction number, because it is equal to n+sod(n) for n = 212000000020989 and 212000000021007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000000021021) 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, 115763263 + ... + 117580325.

It is an arithmetic number, because the mean of its divisors is an integer number (13386672083736).

Almost surely, 2^{212000000021022} is an apocalyptic number.

212000000021022 is an abundant number, since it is smaller than the sum of its proper divisors (216373506658530).

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

212000000021022 is a wasteful number, since it uses less digits than its factorization.

212000000021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017632.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 212000000021022 its reverse (220120000000212), we get a palindrome (432120000021234).

The spelling of 212000000021022 in words is "two hundred twelve trillion, twenty-one thousand, twenty-two".