12119388281 has 64 divisors (see below), whose sum is σ = 17272797696. Its totient is φ = 8183808000.

The previous prime is 12119388269. The next prime is 12119388283. The reversal of 12119388281 is 18288391121.

It is a cyclic number.

It is not a de Polignac number, because 12119388281 - 2¹⁸ = 12119126137 is a prime.

It is a super-2 number, since 2×12119388281² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12119388283) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10090481 + ... + 10091681.

It is an arithmetic number, because the mean of its divisors is an integer number (269887464).

Almost surely, 2^12119388281 is an apocalyptic number.

12119388281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12119388281 is a deficient number, since it is larger than the sum of its proper divisors (5153409415).

12119388281 is a wasteful number, since it uses less digits than its factorization.

12119388281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842.

The product of its digits is 55296, while the sum is 44.

The spelling of 12119388281 in words is "twelve billion, one hundred nineteen million, three hundred eighty-eight thousand, two hundred eighty-one".