2011222012212 has 72 divisors (see below), whose sum is σ = 6065590211520. Its totient is φ = 574634859120.

The previous prime is 2011222012207. The next prime is 2011222012313. The reversal of 2011222012212 is 2122102221102.

It is a happy number.

It is a super-3 number, since 3×2011222012212³ (a number of 38 digits) contains 333 as substring.

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

It is a congruent number.

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, 190019464 + ... + 190030047.

Almost surely, 2^{2011222012212} is an apocalyptic number.

It is an amenable number.

2011222012212 is an abundant number, since it is smaller than the sum of its proper divisors (4054368199308).

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

2011222012212 is a wasteful number, since it uses less digits than its factorization.

2011222012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380049538 (or 380049523 counting only the distinct ones).

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

Adding to 2011222012212 its reverse (2122102221102), we get a palindrome (4133324233314).

The spelling of 2011222012212 in words is "two trillion, eleven billion, two hundred twenty-two million, twelve thousand, two hundred twelve".