120140344234 has 4 divisors (see below), whose sum is σ = 180210516354. Its totient is φ = 60070172116.

The previous prime is 120140344193. The next prime is 120140344271. The reversal of 120140344234 is 432443041021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432443041021 = 227 ⋅1905035423.

It can be written as a sum of positive squares in only one way, i.e., 113200621209 + 6939723025 = 336453^2 + 83305^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30035086057 + ... + 30035086060.

Almost surely, 2^120140344234 is an apocalyptic number.

120140344234 is a deficient number, since it is larger than the sum of its proper divisors (60070172120).

120140344234 is an equidigital number, since it uses as much as digits as its factorization.

120140344234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60070172119.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 120140344234 its reverse (432443041021), we get a palindrome (552583385255).

The spelling of 120140344234 in words is "one hundred twenty billion, one hundred forty million, three hundred forty-four thousand, two hundred thirty-four".