12142014440 has 16 divisors (see below), whose sum is σ = 27319532580. Its totient is φ = 4856805760.

The previous prime is 12142014407. The next prime is 12142014509. The reversal of 12142014440 is 4441024121.

It can be written as a sum of positive squares in 2 ways, for example, as 11388731524 + 753282916 = 106718^2 + 27446^2 .

It is a super-2 number, since 2×12142014440² (a number of 21 digits) contains 22 as substring.

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, 151775141 + ... + 151775220.

Almost surely, 2^12142014440 is an apocalyptic number.

12142014440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12142014440 is an abundant number, since it is smaller than the sum of its proper divisors (15177518140).

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

12142014440 is a wasteful number, since it uses less digits than its factorization.

12142014440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303550372 (or 303550368 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 12142014440 its reverse (4441024121), we get a palindrome (16583038561).

The spelling of 12142014440 in words is "twelve billion, one hundred forty-two million, fourteen thousand, four hundred forty".