2011122001212 has 24 divisors (see below), whose sum is σ = 4714857904512. Its totient is φ = 667196871600.

The previous prime is 2011122001199. The next prime is 2011122001237. The reversal of 2011122001212 is 2121002211102.

It is a super-2 number, since 2×2011122001212² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2011122001191 and 2011122001200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397138464 + ... + 397143527.

It is an arithmetic number, because the mean of its divisors is an integer number (196452412688).

Almost surely, 2^{2011122001212} is an apocalyptic number.

It is an amenable number.

2011122001212 is an abundant number, since it is smaller than the sum of its proper divisors (2703735903300).

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

2011122001212 is a wasteful number, since it uses less digits than its factorization.

2011122001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794282209 (or 794282207 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2011122001212 its reverse (2121002211102), we get a palindrome (4132124212314).

The spelling of 2011122001212 in words is "two trillion, eleven billion, one hundred twenty-two million, one thousand, two hundred twelve".