12214101440 has 28 divisors (see below), whose sum is σ = 29084829816. Its totient is φ = 4885640448.

The previous prime is 12214101421. The next prime is 12214101451. The reversal of 12214101440 is 4410141221.

It is a super-2 number, since 2×12214101440² (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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19084214 + ... + 19084853.

It is an arithmetic number, because the mean of its divisors is an integer number (1038743922).

Almost surely, 2^12214101440 is an apocalyptic number.

12214101440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12214101440 is an abundant number, since it is smaller than the sum of its proper divisors (16870728376).

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

12214101440 is an equidigital number, since it uses as much as digits as its factorization.

12214101440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38169084 (or 38169074 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12214101440 its reverse (4410141221), we get a palindrome (16624242661).

The spelling of 12214101440 in words is "twelve billion, two hundred fourteen million, one hundred one thousand, four hundred forty".