142120312132424 has 32 divisors (see below), whose sum is σ = 267822442008000. Its totient is φ = 70701015021120.

The previous prime is 142120312132369. The next prime is 142120312132433. The reversal of 142120312132424 is 424231213021241.

It is a super-2 number, since 2×142120312132424² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54244379 + ... + 56803989.

It is an arithmetic number, because the mean of its divisors is an integer number (8369451312750).

Almost surely, 2^{142120312132424} is an apocalyptic number.

It is an amenable number.

142120312132424 is a deficient number, since it is larger than the sum of its proper divisors (125702129875576).

142120312132424 is a wasteful number, since it uses less digits than its factorization.

142120312132424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594693 (or 2594689 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 142120312132424 its reverse (424231213021241), we get a palindrome (566351525153665).

The spelling of 142120312132424 in words is "one hundred forty-two trillion, one hundred twenty billion, three hundred twelve million, one hundred thirty-two thousand, four hundred twenty-four".