12554442119 has 4 divisors (see below), whose sum is σ = 12555689040. Its totient is φ = 12553195200.

The previous prime is 12554442101. The next prime is 12554442167. The reversal of 12554442119 is 91124445521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91124445521 = 296831 ⋅306991.

It is a cyclic number.

It is not a de Polignac number, because 12554442119 - 2⁸ = 12554441863 is a prime.

It is a super-2 number, since 2×12554442119² (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 (12554442419) 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, 608234 + ... + 628535.

It is an arithmetic number, because the mean of its divisors is an integer number (3138922260).

Almost surely, 2^12554442119 is an apocalyptic number.

12554442119 is a deficient number, since it is larger than the sum of its proper divisors (1246921).

12554442119 is a wasteful number, since it uses less digits than its factorization.

12554442119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246920.

The product of its digits is 57600, while the sum is 38.

The spelling of 12554442119 in words is "twelve billion, five hundred fifty-four million, four hundred forty-two thousand, one hundred nineteen".