12019162881 has 8 divisors (see below), whose sum is σ = 17482418784. Its totient is φ = 7284341120.

The previous prime is 12019162873. The next prime is 12019162901. The reversal of 12019162881 is 18826191021.

12019162881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12019162881 - 2³ = 12019162873 is a prime.

It is a super-2 number, since 2×12019162881² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12019162801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182108496 + ... + 182108561.

It is an arithmetic number, because the mean of its divisors is an integer number (2185302348).

Almost surely, 2^12019162881 is an apocalyptic number.

12019162881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12019162881 is a deficient number, since it is larger than the sum of its proper divisors (5463255903).

12019162881 is a wasteful number, since it uses less digits than its factorization.

12019162881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364217071.

The product of its (nonzero) digits is 13824, while the sum is 39.

The spelling of 12019162881 in words is "twelve billion, nineteen million, one hundred sixty-two thousand, eight hundred eighty-one".