12411211340 has 48 divisors (see below), whose sum is σ = 28502681760. Its totient is φ = 4502100480.

The previous prime is 12411211327. The next prime is 12411211343. The reversal of 12411211340 is 4311211421.

It is a super-2 number, since 2×12411211340² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (12411211343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21014 + ... + 158946.

It is an arithmetic number, because the mean of its divisors is an integer number (593805870).

Almost surely, 2^12411211340 is an apocalyptic number.

12411211340 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 12411211340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14251340880).

12411211340 is an abundant number, since it is smaller than the sum of its proper divisors (16091470420).

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

12411211340 is a wasteful number, since it uses less digits than its factorization.

12411211340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138362 (or 138360 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12411211340 its reverse (4311211421), we get a palindrome (16722422761).

The spelling of 12411211340 in words is "twelve billion, four hundred eleven million, two hundred eleven thousand, three hundred forty".