1212223300103 has 4 divisors (see below), whose sum is σ = 1212228516360. Its totient is φ = 1212218083848.

The previous prime is 1212223300087. The next prime is 1212223300109. The reversal of 1212223300103 is 3010033222121.

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 1212223300103 - 2⁴ = 1212223300087 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 (1212223300109) 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, 2242448 + ... + 2730021.

It is an arithmetic number, because the mean of its divisors is an integer number (303057129090).

Almost surely, 2^{1212223300103} is an apocalyptic number.

1212223300103 is a deficient number, since it is larger than the sum of its proper divisors (5216257).

1212223300103 is an equidigital number, since it uses as much as digits as its factorization.

1212223300103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5216256.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1212223300103 its reverse (3010033222121), we get a palindrome (4222256522224).

The spelling of 1212223300103 in words is "one trillion, two hundred twelve billion, two hundred twenty-three million, three hundred thousand, one hundred three".