12214681040 has 80 divisors (see below), whose sum is σ = 29157169536. Its totient is φ = 4756876800.

The previous prime is 12214681027. The next prime is 12214681051. The reversal of 12214681040 is 4018641221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 12214680994 and 12214681012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544445 + ... + 566435.

Almost surely, 2^12214681040 is an apocalyptic number.

12214681040 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 12214681040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14578584768).

12214681040 is an abundant number, since it is smaller than the sum of its proper divisors (16942488496).

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

12214681040 is a wasteful number, since it uses less digits than its factorization.

12214681040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22188 (or 22182 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The spelling of 12214681040 in words is "twelve billion, two hundred fourteen million, six hundred eighty-one thousand, forty".