12240143106642 has 48 divisors (see below), whose sum is σ = 28958775187680. Its totient is φ = 3705605064000.

The previous prime is 12240143106637. The next prime is 12240143106647. The reversal of 12240143106642 is 24660134104221.

12240143106642 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 0 + 1 + 4 + 3 + 1 + 0 + 6 + 642 = 666.

It is an interprime number because it is at equal distance from previous prime (12240143106637) and next prime (12240143106647).

It is a super-2 number, since 2×12240143106642² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12240143106597 and 12240143106606.

It is not an unprimeable number, because it can be changed into a prime (12240143106647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29201467 + ... + 29617662.

It is an arithmetic number, because the mean of its divisors is an integer number (603307816410).

Almost surely, 2^{12240143106642} is an apocalyptic number.

12240143106642 is an abundant number, since it is smaller than the sum of its proper divisors (16718632081038).

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

12240143106642 is a wasteful number, since it uses less digits than its factorization.

12240143106642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58820199 (or 58820196 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 12240143106642 in words is "twelve trillion, two hundred forty billion, one hundred forty-three million, one hundred six thousand, six hundred forty-two".