12402211140 has 144 divisors (see below), whose sum is σ = 41112489600. Its totient is φ = 3001290240.

The previous prime is 12402211139. The next prime is 12402211147. The reversal of 12402211140 is 4111220421.

12402211140 is a `hidden beast` number, since 12 + 402 + 211 + 1 + 40 = 666.

12402211140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12402211140² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12402211147) 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 47 ways as a sum of consecutive naturals, for example, 1180792 + ... + 1191248.

It is an arithmetic number, because the mean of its divisors is an integer number (285503400).

Almost surely, 2^12402211140 is an apocalyptic number.

12402211140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12402211140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20556244800).

12402211140 is an abundant number, since it is smaller than the sum of its proper divisors (28710278460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12402211140 is a wasteful number, since it uses less digits than its factorization.

12402211140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11082 (or 11077 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12402211140 its reverse (4111220421), we get a palindrome (16513431561).

The spelling of 12402211140 in words is "twelve billion, four hundred two million, two hundred eleven thousand, one hundred forty".