2012100323222 has 8 divisors (see below), whose sum is σ = 3292527801672. Its totient is φ = 914591056000.

The previous prime is 2012100323221. The next prime is 2012100323267. The reversal of 2012100323222 is 2223230012102.

It is a happy number.

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

It is a super-2 number, since 2×2012100323222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2012100323194 and 2012100323203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012100323221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45729552779 + ... + 45729552822.

It is an arithmetic number, because the mean of its divisors is an integer number (411565975209).

Almost surely, 2^{2012100323222} is an apocalyptic number.

2012100323222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2012100323222 is a deficient number, since it is larger than the sum of its proper divisors (1280427478450).

2012100323222 is a wasteful number, since it uses less digits than its factorization.

2012100323222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91459105614.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2012100323222 its reverse (2223230012102), we get a palindrome (4235330335324).

The spelling of 2012100323222 in words is "two trillion, twelve billion, one hundred million, three hundred twenty-three thousand, two hundred twenty-two".