123550025135012 has 36 divisors (see below), whose sum is σ = 252225051453900. Its totient is φ = 52800010712064.

The previous prime is 123550025135011. The next prime is 123550025135051. The reversal of 123550025135012 is 210531520055321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 58170122240356 + 65379902894656 = 7626934^2 + 8085784^2 .

It is not an unprimeable number, because it can be changed into a prime (123550025135011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 892788137 + ... + 892926512.

It is an arithmetic number, because the mean of its divisors is an integer number (7006251429275).

Almost surely, 2^{123550025135012} is an apocalyptic number.

It is an amenable number.

123550025135012 is an abundant number, since it is smaller than the sum of its proper divisors (128675026318888).

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

123550025135012 is a wasteful number, since it uses less digits than its factorization.

123550025135012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785715020 (or 1785715011 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 123550025135012 in words is "one hundred twenty-three trillion, five hundred fifty billion, twenty-five million, one hundred thirty-five thousand, twelve".