142345312120 has 64 divisors (see below), whose sum is σ = 350855193600. Its totient is φ = 51545316480.

The previous prime is 142345312117. The next prime is 142345312129. The reversal of 142345312120 is 21213543241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142345312129) 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, 571644 + ... + 781963.

It is an arithmetic number, because the mean of its divisors is an integer number (5482112400).

Almost surely, 2^142345312120 is an apocalyptic number.

142345312120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142345312120 is an abundant number, since it is smaller than the sum of its proper divisors (208509881480).

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

142345312120 is a wasteful number, since it uses less digits than its factorization.

142345312120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353868 (or 1353864 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 142345312120 its reverse (21213543241), we get a palindrome (163558855361).

The spelling of 142345312120 in words is "one hundred forty-two billion, three hundred forty-five million, three hundred twelve thousand, one hundred twenty".