12028858181 has 8 divisors (see below), whose sum is σ = 13406777280. Its totient is φ = 10725421248.

The previous prime is 12028858129. The next prime is 12028858183. The reversal of 12028858181 is 18185882021.

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 12028858181 - 2²² = 12024663877 is a prime.

It is a super-2 number, since 2×12028858181² (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 (12028858183) 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, 18620201 + ... + 18620846.

It is an arithmetic number, because the mean of its divisors is an integer number (1675847160).

Almost surely, 2^12028858181 is an apocalyptic number.

It is an amenable number.

12028858181 is a deficient number, since it is larger than the sum of its proper divisors (1377919099).

12028858181 is a wasteful number, since it uses less digits than its factorization.

12028858181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37241083.

The product of its (nonzero) digits is 81920, while the sum is 44.

The spelling of 12028858181 in words is "twelve billion, twenty-eight million, eight hundred fifty-eight thousand, one hundred eighty-one".