2012212322231 has 8 divisors (see below), whose sum is σ = 2021976041040. Its totient is φ = 2002471390528.

The previous prime is 2012212322209. The next prime is 2012212322261. The reversal of 2012212322231 is 1322232122102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2012212322231 - 2²² = 2012208127927 is a prime.

It is a super-3 number, since 3×2012212322231³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012212322197 and 2012212322206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012212322201) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5519726 + ... + 5872971.

It is an arithmetic number, because the mean of its divisors is an integer number (252747005130).

Almost surely, 2^{2012212322231} is an apocalyptic number.

2012212322231 is a deficient number, since it is larger than the sum of its proper divisors (9763718809).

2012212322231 is a wasteful number, since it uses less digits than its factorization.

2012212322231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11393553.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2012212322231 its reverse (1322232122102), we get a palindrome (3334444444333).

The spelling of 2012212322231 in words is "two trillion, twelve billion, two hundred twelve million, three hundred twenty-two thousand, two hundred thirty-one".