12142623040 has 28 divisors (see below), whose sum is σ = 28914621876. Its totient is φ = 4857049088.

The previous prime is 12142623019. The next prime is 12142623047. The reversal of 12142623040 is 4032624121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1699418176 + 10443204864 = 41224^2 + 102192^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12142622996 and 12142623014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12142623047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18972529 + ... + 18973168.

It is an arithmetic number, because the mean of its divisors is an integer number (1032665067).

Almost surely, 2^12142623040 is an apocalyptic number.

12142623040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12142623040 is an abundant number, since it is smaller than the sum of its proper divisors (16771998836).

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

12142623040 is an equidigital number, since it uses as much as digits as its factorization.

12142623040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37945714 (or 37945704 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The spelling of 12142623040 in words is "twelve billion, one hundred forty-two million, six hundred twenty-three thousand, forty".