7830397012242 has 24 divisors (see below), whose sum is σ = 18217658355696. Its totient is φ = 2237256289128.

The previous prime is 7830397012237. The next prime is 7830397012267. The reversal of 7830397012242 is 2422107930387.

It is a super-2 number, since 2×7830397012242² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7830397012191 and 7830397012200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13317001428 + ... + 13317002015.

It is an arithmetic number, because the mean of its divisors is an integer number (759069098154).

Almost surely, 2^{7830397012242} is an apocalyptic number.

7830397012242 is an abundant number, since it is smaller than the sum of its proper divisors (10387261343454).

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

7830397012242 is a wasteful number, since it uses less digits than its factorization.

7830397012242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26634003462 (or 26634003455 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 7830397012242 in words is "seven trillion, eight hundred thirty billion, three hundred ninety-seven million, twelve thousand, two hundred forty-two".