12312201121203 has 8 divisors (see below), whose sum is σ = 16451878289616. Its totient is φ = 8190329016800.

The previous prime is 12312201121189. The next prime is 12312201121211. The reversal of 12312201121203 is 30212110221321.

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 12312201121203 - 2⁶ = 12312201121139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12312201121203.

It is not an unprimeable number, because it can be changed into a prime (12312201121603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4451264388 + ... + 4451267153.

It is an arithmetic number, because the mean of its divisors is an integer number (2056484786202).

Almost surely, 2^{12312201121203} is an apocalyptic number.

12312201121203 is a deficient number, since it is larger than the sum of its proper divisors (4139677168413).

12312201121203 is an equidigital number, since it uses as much as digits as its factorization.

12312201121203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8902532005.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12312201121203 its reverse (30212110221321), we get a palindrome (42524311342524).

The spelling of 12312201121203 in words is "twelve trillion, three hundred twelve billion, two hundred one million, one hundred twenty-one thousand, two hundred three".