120312132525145 has 32 divisors (see below), whose sum is σ = 172514686101120. Its totient is φ = 79512941706240.

The previous prime is 120312132525133. The next prime is 120312132525157. The reversal of 120312132525145 is 541525231213021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120312132525133) and next prime (120312132525157).

It is not a de Polignac number, because 120312132525145 - 2⁵ = 120312132525113 is a prime.

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, 2218525947 + ... + 2218580176.

It is an arithmetic number, because the mean of its divisors is an integer number (5391083940660).

Almost surely, 2^{120312132525145} is an apocalyptic number.

It is an amenable number.

120312132525145 is a deficient number, since it is larger than the sum of its proper divisors (52202553575975).

120312132525145 is a wasteful number, since it uses less digits than its factorization.

120312132525145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437106185.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 120312132525145 its reverse (541525231213021), we get a palindrome (661837363738166).

The spelling of 120312132525145 in words is "one hundred twenty trillion, three hundred twelve billion, one hundred thirty-two million, five hundred twenty-five thousand, one hundred forty-five".