12411322040 has 128 divisors (see below), whose sum is σ = 30462868800. Its totient is φ = 4523765760.

The previous prime is 12411322003. The next prime is 12411322061. The reversal of 12411322040 is 4022311421.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15341156 + ... + 15341964.

Almost surely, 2^12411322040 is an apocalyptic number.

12411322040 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 12411322040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15231434400).

12411322040 is an abundant number, since it is smaller than the sum of its proper divisors (18051546760).

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

12411322040 is a wasteful number, since it uses less digits than its factorization.

12411322040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12411322040 its reverse (4022311421), we get a palindrome (16433633461).

The spelling of 12411322040 in words is "twelve billion, four hundred eleven million, three hundred twenty-two thousand, forty".