145512232000122 has 64 divisors (see below), whose sum is σ = 338314680910080. Its totient is φ = 41349572081664.

The previous prime is 145512232000117. The next prime is 145512232000129. The reversal of 145512232000122 is 221000232215541.

145512232000122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 145512232000122.

It is not an unprimeable number, because it can be changed into a prime (145512232000129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1398404823 + ... + 1398508874.

It is an arithmetic number, because the mean of its divisors is an integer number (5286166889220).

Almost surely, 2^{145512232000122} is an apocalyptic number.

145512232000122 is an abundant number, since it is smaller than the sum of its proper divisors (192802448909958).

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

145512232000122 is a wasteful number, since it uses less digits than its factorization.

145512232000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796913767.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 145512232000122 its reverse (221000232215541), we get a palindrome (366512464215663).

The spelling of 145512232000122 in words is "one hundred forty-five trillion, five hundred twelve billion, two hundred thirty-two million, one hundred twenty-two", and thus it is an aban number.