2012321223201 has 16 divisors (see below), whose sum is σ = 2684540156864. Its totient is φ = 1340825094144.

The previous prime is 2012321223197. The next prime is 2012321223259. The reversal of 2012321223201 is 1023221232102.

It is not a de Polignac number, because 2012321223201 - 2² = 2012321223197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012321203201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45446865 + ... + 45491121.

It is an arithmetic number, because the mean of its divisors is an integer number (167783759804).

Almost surely, 2^{2012321223201} is an apocalyptic number.

It is an amenable number.

2012321223201 is a deficient number, since it is larger than the sum of its proper divisors (672218933663).

2012321223201 is a wasteful number, since it uses less digits than its factorization.

2012321223201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52080.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2012321223201 its reverse (1023221232102), we get a palindrome (3035542455303).

The spelling of 2012321223201 in words is "two trillion, twelve billion, three hundred twenty-one million, two hundred twenty-three thousand, two hundred one".