1212003433103 has 4 divisors (see below), whose sum is σ = 1212006704688. Its totient is φ = 1212000161520.

The previous prime is 1212003433061. The next prime is 1212003433129. The reversal of 1212003433103 is 3013343002121.

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

It is a cyclic number.

It is not a de Polignac number, because 1212003433103 - 2²⁶ = 1211936324239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212003433153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 996926 + ... + 1848747.

It is an arithmetic number, because the mean of its divisors is an integer number (303001676172).

Almost surely, 2^{1212003433103} is an apocalyptic number.

1212003433103 is a deficient number, since it is larger than the sum of its proper divisors (3271585).

1212003433103 is an equidigital number, since it uses as much as digits as its factorization.

1212003433103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271584.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1212003433103 its reverse (3013343002121), we get a palindrome (4225346435224).

The spelling of 1212003433103 in words is "one trillion, two hundred twelve billion, three million, four hundred thirty-three thousand, one hundred three".