120142142120 has 128 divisors (see below), whose sum is σ = 362947011840. Its totient is φ = 34566359040.

The previous prime is 120142142117. The next prime is 120142142171. The reversal of 120142142120 is 21241241021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 120142142092 and 120142142101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1460237 + ... + 1540316.

It is an arithmetic number, because the mean of its divisors is an integer number (2835523530).

Almost surely, 2^120142142120 is an apocalyptic number.

120142142120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120142142120 is an abundant number, since it is smaller than the sum of its proper divisors (242804869720).

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

120142142120 is a wasteful number, since it uses less digits than its factorization.

120142142120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000595 (or 3000591 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 120142142120 its reverse (21241241021), we get a palindrome (141383383141).

It can be divided in two parts, 120142 and 142120, that added together give a palindrome (262262).

The spelling of 120142142120 in words is "one hundred twenty billion, one hundred forty-two million, one hundred forty-two thousand, one hundred twenty".