2122011202212 has 72 divisors (see below), whose sum is σ = 5851782911520. Its totient is φ = 643014328320.

The previous prime is 2122011202141. The next prime is 2122011202249. The reversal of 2122011202212 is 2122021102212.

It is a happy number.

2122011202212 is a `hidden beast` number, since 21 + 220 + 11 + 202 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18444964 + ... + 18559652.

It is an arithmetic number, because the mean of its divisors is an integer number (81274762660).

Almost surely, 2^{2122011202212} is an apocalyptic number.

2122011202212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2122011202212 is an abundant number, since it is smaller than the sum of its proper divisors (3729771709308).

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

2122011202212 is a wasteful number, since it uses less digits than its factorization.

2122011202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161433 (or 161428 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2122011202212 its reverse (2122021102212), we get a palindrome (4244032304424).

The spelling of 2122011202212 in words is "two trillion, one hundred twenty-two billion, eleven million, two hundred two thousand, two hundred twelve".