201212000022 has 32 divisors (see below), whose sum is σ = 441214099200. Its totient is φ = 60666930720.

The previous prime is 201212000009. The next prime is 201212000027. The reversal of 201212000022 is 220000212102.

It is a junction number, because it is equal to n+sod(n) for n = 201211999971 and 201212000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212000027) 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, 7646833 + ... + 7673100.

It is an arithmetic number, because the mean of its divisors is an integer number (13787940600).

Almost surely, 2^201212000022 is an apocalyptic number.

201212000022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201212000022 is an abundant number, since it is smaller than the sum of its proper divisors (240002099178).

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

201212000022 is a wasteful number, since it uses less digits than its factorization.

201212000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15320148.

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

Adding to 201212000022 its reverse (220000212102), we get a palindrome (421212212124).

The spelling of 201212000022 in words is "two hundred one billion, two hundred twelve million, twenty-two", and thus it is an aban number.