123125201120050 has 12 divisors (see below), whose sum is σ = 229012874083386. Its totient is φ = 49250080448000.

The previous prime is 123125201120039. The next prime is 123125201120057. The reversal of 123125201120050 is 50021102521321.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 114756220779489 + 8368980340561 = 10712433^2 + 2892919^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a junction number, because it is equal to n+sod(n) for n = 123125201119997 and 123125201120024.

It is not an unprimeable number, because it can be changed into a prime (123125201120057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1231252011151 + ... + 1231252011250.

Almost surely, 2^{123125201120050} is an apocalyptic number.

123125201120050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123125201120050 is a deficient number, since it is larger than the sum of its proper divisors (105887672963336).

123125201120050 is a wasteful number, since it uses less digits than its factorization.

123125201120050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462504022413 (or 2462504022408 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 123125201120050 its reverse (50021102521321), we get a palindrome (173146303641371).

The spelling of 123125201120050 in words is "one hundred twenty-three trillion, one hundred twenty-five billion, two hundred one million, one hundred twenty thousand, fifty".