2231222201012 has 12 divisors (see below), whose sum is σ = 4462444402080. Its totient is φ = 956238086136.

The previous prime is 2231222201009. The next prime is 2231222201027. The reversal of 2231222201012 is 2101022221322.

2231222201012 is an admirable number.

It is a super-3 number, since 3×2231222201012³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39843253562 + ... + 39843253617.

It is an arithmetic number, because the mean of its divisors is an integer number (371870366840).

Almost surely, 2^{2231222201012} is an apocalyptic number.

It is an amenable number.

2231222201012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2231222201012 is a wasteful number, since it uses less digits than its factorization.

2231222201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79686507190 (or 79686507188 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2231222201012 its reverse (2101022221322), we get a palindrome (4332244422334).

The spelling of 2231222201012 in words is "two trillion, two hundred thirty-one billion, two hundred twenty-two million, two hundred one thousand, twelve".