13212112231203 has 16 divisors (see below), whose sum is σ = 17846066305440. Its totient is φ = 8693471849216.

The previous prime is 13212112231189. The next prime is 13212112231207. The reversal of 13212112231203 is 30213221121231.

It is a cyclic number.

It is not a de Polignac number, because 13212112231203 - 2⁶ = 13212112231139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13212112231207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44271000 + ... + 44568437.

It is an arithmetic number, because the mean of its divisors is an integer number (1115379144090).

Almost surely, 2^{13212112231203} is an apocalyptic number.

13212112231203 is a deficient number, since it is larger than the sum of its proper divisors (4633954074237).

13212112231203 is an equidigital number, since it uses as much as digits as its factorization.

13212112231203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88840086.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 13212112231203 its reverse (30213221121231), we get a palindrome (43425333352434).

The spelling of 13212112231203 in words is "thirteen trillion, two hundred twelve billion, one hundred twelve million, two hundred thirty-one thousand, two hundred three".