12100419 has 6 divisors (see below), whose sum is σ = 17478396. Its totient is φ = 8066940.

The previous prime is 12100411. The next prime is 12100441. The reversal of 12100419 is 91400121.

It is not a de Polignac number, because 12100419 - 2³ = 12100411 is a prime.

It is a super-2 number, since 2×12100419² = 292840279951122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12100411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 672237 + ... + 672254.

It is an arithmetic number, because the mean of its divisors is an integer number (2913066).

Almost surely, 2^12100419 is an apocalyptic number.

12100419 is a deficient number, since it is larger than the sum of its proper divisors (5377977).

12100419 is a wasteful number, since it uses less digits than its factorization.

12100419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344497 (or 1344494 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 12100419 is about 3478.5656526793. The cubic root of 12100419 is about 229.5796923748.

The spelling of 12100419 in words is "twelve million, one hundred thousand, four hundred nineteen".