123251005105130 has 16 divisors (see below), whose sum is σ = 253544924787840. Its totient is φ = 42257487464592.

The previous prime is 123251005105117. The next prime is 123251005105147. The reversal of 123251005105130 is 31501500152321.

It is a junction number, because it is equal to n+sod(n) for n = 123251005105093 and 123251005105102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880364322110 + ... + 880364322249.

It is an arithmetic number, because the mean of its divisors is an integer number (15846557799240).

Almost surely, 2^{123251005105130} is an apocalyptic number.

123251005105130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123251005105130 is an abundant number, since it is smaller than the sum of its proper divisors (130293919682710).

123251005105130 is a wasteful number, since it uses less digits than its factorization.

123251005105130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760728644373.

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 123251005105130 its reverse (31501500152321), we get a palindrome (154752505257451).

The spelling of 123251005105130 in words is "one hundred twenty-three trillion, two hundred fifty-one billion, five million, one hundred five thousand, one hundred thirty".