142044120421120 has 144 divisors (see below), whose sum is σ = 361554750150048. Its totient is φ = 53282379202560.

The previous prime is 142044120421117. The next prime is 142044120421121. The reversal of 142044120421120 is 21124021440241.

It is a super-2 number, since 2×142044120421120² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142044120421121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5755446 + ... + 17810485.

It is an arithmetic number, because the mean of its divisors is an integer number (2510796876042).

Almost surely, 2^{142044120421120} is an apocalyptic number.

142044120421120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142044120421120 is an abundant number, since it is smaller than the sum of its proper divisors (219510629728928).

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

142044120421120 is a wasteful number, since it uses less digits than its factorization.

142044120421120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23566246 (or 23566232 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 142044120421120 its reverse (21124021440241), we get a palindrome (163168141861361).

The spelling of 142044120421120 in words is "one hundred forty-two trillion, forty-four billion, one hundred twenty million, four hundred twenty-one thousand, one hundred twenty".