2012102033321 has 4 divisors (see below), whose sum is σ = 2012110335444. Its totient is φ = 2012093731200.

The previous prime is 2012102033317. The next prime is 2012102033327. The reversal of 2012102033321 is 1233302012102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1092152493721 + 919949539600 = 1045061^2 + 959140^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012102033321 - 2² = 2012102033317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012102033293 and 2012102033302.

It is not an unprimeable number, because it can be changed into a prime (2012102033327) 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 3 ways as a sum of consecutive naturals, for example, 3776240 + ... + 4276001.

It is an arithmetic number, because the mean of its divisors is an integer number (503027583861).

Almost surely, 2^{2012102033321} is an apocalyptic number.

It is an amenable number.

2012102033321 is a deficient number, since it is larger than the sum of its proper divisors (8302123).

2012102033321 is an equidigital number, since it uses as much as digits as its factorization.

2012102033321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8302122.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2012102033321 its reverse (1233302012102), we get a palindrome (3245404045423).

The spelling of 2012102033321 in words is "two trillion, twelve billion, one hundred two million, thirty-three thousand, three hundred twenty-one".