12100103819 has 2 divisors, whose sum is σ = 12100103820. Its totient is φ = 12100103818.

The previous prime is 12100103801. The next prime is 12100103857. The reversal of 12100103819 is 91830100121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12100103819 - 2¹² = 12100099723 is a prime.

It is a super-2 number, since 2×12100103819² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12105103819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050051909 + 6050051910.

It is an arithmetic number, because the mean of its divisors is an integer number (6050051910).

Almost surely, 2^12100103819 is an apocalyptic number.

12100103819 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100103819 is an equidigital number, since it uses as much as digits as its factorization.

12100103819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 12100103819 in words is "twelve billion, one hundred million, one hundred three thousand, eight hundred nineteen".