12412123103 has 4 divisors (see below), whose sum is σ = 13065392760. Its totient is φ = 11758853448.

The previous prime is 12412123091. The next prime is 12412123109. The reversal of 12412123103 is 30132121421.

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 12412123103 - 2¹⁸ = 12411860959 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 (12412123109) 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, 326634800 + ... + 326634837.

It is an arithmetic number, because the mean of its divisors is an integer number (3266348190).

Almost surely, 2^12412123103 is an apocalyptic number.

12412123103 is a deficient number, since it is larger than the sum of its proper divisors (653269657).

12412123103 is an equidigital number, since it uses as much as digits as its factorization.

12412123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653269656.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12412123103 its reverse (30132121421), we get a palindrome (42544244524).

The spelling of 12412123103 in words is "twelve billion, four hundred twelve million, one hundred twenty-three thousand, one hundred three".