212000021022 has 8 divisors (see below), whose sum is σ = 424000042056. Its totient is φ = 70666673672.

The previous prime is 212000020933. The next prime is 212000021027. The reversal of 212000021022 is 220120000212.

It is a sphenic number, since it is the product of 3 distinct primes.

212000021022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 212000020989 and 212000021007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000021027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17666668413 + ... + 17666668424.

It is an arithmetic number, because the mean of its divisors is an integer number (53000005257).

Almost surely, 2^212000021022 is an apocalyptic number.

212000021022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212000021022 is a wasteful number, since it uses less digits than its factorization.

212000021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35333336842.

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

Adding to 212000021022 its reverse (220120000212), we get a palindrome (432120021234).

The spelling of 212000021022 in words is "two hundred twelve billion, twenty-one thousand, twenty-two".