120142402345040 has 80 divisors (see below), whose sum is σ = 279798007406400. Its totient is φ = 47976638223360.

The previous prime is 120142402345037. The next prime is 120142402345079. The reversal of 120142402345040 is 40543204241021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 120142402344988 and 120142402345006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1214749511 + ... + 1214848409.

It is an arithmetic number, because the mean of its divisors is an integer number (3497475092580).

Almost surely, 2^{120142402345040} is an apocalyptic number.

120142402345040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120142402345040 is an abundant number, since it is smaller than the sum of its proper divisors (159655605061360).

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

120142402345040 is a wasteful number, since it uses less digits than its factorization.

120142402345040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124140 (or 124134 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 120142402345040 its reverse (40543204241021), we get a palindrome (160685606586061).

The spelling of 120142402345040 in words is "one hundred twenty trillion, one hundred forty-two billion, four hundred two million, three hundred forty-five thousand, forty".