123102125104050 has 144 divisors (see below), whose sum is σ = 337917569962752. Its totient is φ = 32114866291200.

The previous prime is 123102125104043. The next prime is 123102125104051. The reversal of 123102125104050 is 50401521201321.

It is a happy number.

123102125104050 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 0 + 2 + 1 + 251 + 0 + 405 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (123102125104051) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47618362 + ... + 50136938.

It is an arithmetic number, because the mean of its divisors is an integer number (2346649791408).

Almost surely, 2^{123102125104050} is an apocalyptic number.

123102125104050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123102125104050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168958784981376).

123102125104050 is an abundant number, since it is smaller than the sum of its proper divisors (214815444858702).

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

123102125104050 is a wasteful number, since it uses less digits than its factorization.

123102125104050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520953 (or 2520945 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 123102125104050 its reverse (50401521201321), we get a palindrome (173503646305371).

The spelling of 123102125104050 in words is "one hundred twenty-three trillion, one hundred two billion, one hundred twenty-five million, one hundred four thousand, fifty".