1212333113203 has 8 divisors (see below), whose sum is σ = 1226602620000. Its totient is φ = 1198145380608.

The previous prime is 1212333113171. The next prime is 1212333113209. The reversal of 1212333113203 is 3023113332121.

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 1212333113203 - 2⁵ = 1212333113171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212333113209) 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 7 ways as a sum of consecutive naturals, for example, 20413726 + ... + 20473027.

It is an arithmetic number, because the mean of its divisors is an integer number (153325327500).

Almost surely, 2^{1212333113203} is an apocalyptic number.

1212333113203 is a deficient number, since it is larger than the sum of its proper divisors (14269506797).

1212333113203 is a wasteful number, since it uses less digits than its factorization.

1212333113203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40887101.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1212333113203 its reverse (3023113332121), we get a palindrome (4235446445324).

The spelling of 1212333113203 in words is "one trillion, two hundred twelve billion, three hundred thirty-three million, one hundred thirteen thousand, two hundred three".