1240112143221 has 8 divisors (see below), whose sum is σ = 1889694694464. Its totient is φ = 708635510400.

The previous prime is 1240112143219. The next prime is 1240112143229. The reversal of 1240112143221 is 1223412110421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1240112143221 - 2¹ = 1240112143219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1240112143191 and 1240112143200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240112143229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29526479580 + ... + 29526479621.

It is an arithmetic number, because the mean of its divisors is an integer number (236211836808).

Almost surely, 2^{1240112143221} is an apocalyptic number.

It is an amenable number.

1240112143221 is a deficient number, since it is larger than the sum of its proper divisors (649582551243).

1240112143221 is an equidigital number, since it uses as much as digits as its factorization.

1240112143221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59052959211.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1240112143221 its reverse (1223412110421), we get a palindrome (2463524253642).

The spelling of 1240112143221 in words is "one trillion, two hundred forty billion, one hundred twelve million, one hundred forty-three thousand, two hundred twenty-one".