142111031240120 has 32 divisors (see below), whose sum is σ = 319754941830720. Its totient is φ = 56843502000000.

The previous prime is 142111031240111. The next prime is 142111031240131. The reversal of 142111031240120 is 21042130111241.

It is a super-2 number, since 2×142111031240120² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25921712 + ... + 30921791.

It is an arithmetic number, because the mean of its divisors is an integer number (9992341932210).

Almost surely, 2^{142111031240120} is an apocalyptic number.

142111031240120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142111031240120 is an abundant number, since it is smaller than the sum of its proper divisors (177643910590600).

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

142111031240120 is a wasteful number, since it uses less digits than its factorization.

142111031240120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56906015 (or 56906011 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 142111031240120 its reverse (21042130111241), we get a palindrome (163153161351361).

The spelling of 142111031240120 in words is "one hundred forty-two trillion, one hundred eleven billion, thirty-one million, two hundred forty thousand, one hundred twenty".