123210140044130 has 32 divisors (see below), whose sum is σ = 227219952299760. Its totient is φ = 48075132948480.

The previous prime is 123210140044109. The next prime is 123210140044133. The reversal of 123210140044130 is 31440041012321.

It can be written as a sum of positive squares in 8 ways, for example, as 2663420736001 + 120546719308129 = 1631999^2 + 10979377^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123210140044130.

It is not an unprimeable number, because it can be changed into a prime (123210140044133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18605615 + ... + 24343154.

Almost surely, 2^{123210140044130} is an apocalyptic number.

123210140044130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123210140044130 is a deficient number, since it is larger than the sum of its proper divisors (104009812255630).

123210140044130 is a wasteful number, since it uses less digits than its factorization.

123210140044130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42955814.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 123210140044130 its reverse (31440041012321), we get a palindrome (154650181056451).

The spelling of 123210140044130 in words is "one hundred twenty-three trillion, two hundred ten billion, one hundred forty million, forty-four thousand, one hundred thirty".