2122201212 has 12 divisors (see below), whose sum is σ = 4951802856. Its totient is φ = 707400400.

The previous prime is 2122201183. The next prime is 2122201223. The reversal of 2122201212 is 2121022212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 2122201191 and 2122201200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88425039 + ... + 88425062.

It is an arithmetic number, because the mean of its divisors is an integer number (412650238).

Almost surely, 2^2122201212 is an apocalyptic number.

It is an amenable number.

2122201212 is an abundant number, since it is smaller than the sum of its proper divisors (2829601644).

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

2122201212 is a wasteful number, since it uses less digits than its factorization.

2122201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176850108 (or 176850106 counting only the distinct ones).

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

The square root of 2122201212 is about 46067.3551661043. The cubic root of 2122201212 is about 1285.0761181676.

Adding to 2122201212 its reverse (2121022212), we get a palindrome (4243223424).

The spelling of 2122201212 in words is "two billion, one hundred twenty-two million, two hundred one thousand, two hundred twelve".