1212303103 has 8 divisors (see below), whose sum is σ = 1323170640. Its totient is φ = 1101545280.

The previous prime is 1212303089. The next prime is 1212303109. The reversal of 1212303103 is 3013032121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1212303103 - 2²¹ = 1210205951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212303109) 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, 3400 + ... + 49357.

It is an arithmetic number, because the mean of its divisors is an integer number (165396330).

Almost surely, 2^1212303103 is an apocalyptic number.

1212303103 is a deficient number, since it is larger than the sum of its proper divisors (110867537).

1212303103 is a wasteful number, since it uses less digits than its factorization.

1212303103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54857.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1212303103 is about 34818.1433020200. The cubic root of 1212303103 is about 1066.2778941378.

Adding to 1212303103 its reverse (3013032121), we get a palindrome (4225335224).

The spelling of 1212303103 in words is "one billion, two hundred twelve million, three hundred three thousand, one hundred three".