22142153123240 has 64 divisors (see below), whose sum is σ = 50888803080960. Its totient is φ = 8666890558720.

The previous prime is 22142153123203. The next prime is 22142153123243. The reversal of 22142153123240 is 4232135124122.

It is a junction number, because it is equal to n+sod(n) for n = 22142153123197 and 22142153123206.

It is not an unprimeable number, because it can be changed into a prime (22142153123243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9668435 + ... + 11737245.

It is an arithmetic number, because the mean of its divisors is an integer number (795137548140).

Almost surely, 2^{22142153123240} is an apocalyptic number.

22142153123240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22142153123240 is an abundant number, since it is smaller than the sum of its proper divisors (28746649957720).

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

22142153123240 is a wasteful number, since it uses less digits than its factorization.

22142153123240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074562 (or 2074558 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 22142153123240 its reverse (4232135124122), we get a palindrome (26374288247362).

The spelling of 22142153123240 in words is "twenty-two trillion, one hundred forty-two billion, one hundred fifty-three million, one hundred twenty-three thousand, two hundred forty".