12481419919 has 8 divisors (see below), whose sum is σ = 12985499648. Its totient is φ = 11983681080.

The previous prime is 12481419911. The next prime is 12481419949. The reversal of 12481419919 is 91991418421.

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

It is a cyclic number.

It is not a de Polignac number, because 12481419919 - 2³ = 12481419911 is a prime.

It is a super-2 number, since 2×12481419919² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12481419911) 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, 1581207 + ... + 1589080.

It is an arithmetic number, because the mean of its divisors is an integer number (1623187456).

Almost surely, 2^12481419919 is an apocalyptic number.

12481419919 is a deficient number, since it is larger than the sum of its proper divisors (504079729).

12481419919 is a wasteful number, since it uses less digits than its factorization.

12481419919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170445.

The product of its digits is 186624, while the sum is 49.

The spelling of 12481419919 in words is "twelve billion, four hundred eighty-one million, four hundred nineteen thousand, nine hundred nineteen".