1240143812922 has 64 divisors (see below), whose sum is σ = 2958296463360. Its totient is φ = 338871111744.

The previous prime is 1240143812917. The next prime is 1240143812959. The reversal of 1240143812922 is 2292183410421.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6683029 + ... + 6866087.

It is an arithmetic number, because the mean of its divisors is an integer number (46223382240).

Almost surely, 2^{1240143812922} is an apocalyptic number.

1240143812922 is an abundant number, since it is smaller than the sum of its proper divisors (1718152650438).

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

1240143812922 is a wasteful number, since it uses less digits than its factorization.

1240143812922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190107.

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 1240143812922 in words is "one trillion, two hundred forty billion, one hundred forty-three million, eight hundred twelve thousand, nine hundred twenty-two".