12429748855 has 8 divisors (see below), whose sum is σ = 14926115952. Its totient is φ = 9936854208.

The previous prime is 12429748823. The next prime is 12429748867. The reversal of 12429748855 is 55884792421.

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 12429748855 - 2⁵ = 12429748823 is a prime.

It is a super-2 number, since 2×12429748855² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12429748796 and 12429748805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860229 + ... + 874558.

It is an arithmetic number, because the mean of its divisors is an integer number (1865764494).

Almost surely, 2^12429748855 is an apocalyptic number.

12429748855 is a deficient number, since it is larger than the sum of its proper divisors (2496367097).

12429748855 is a wasteful number, since it uses less digits than its factorization.

12429748855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736225.

The product of its digits is 6451200, while the sum is 55.

The spelling of 12429748855 in words is "twelve billion, four hundred twenty-nine million, seven hundred forty-eight thousand, eight hundred fifty-five".