123310100145210 has 128 divisors (see below), whose sum is σ = 331608159995904. Its totient is φ = 29082422972160.

The previous prime is 123310100145179. The next prime is 123310100145259. The reversal of 123310100145210 is 12541001013321.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 118738069 + ... + 119772071.

It is an arithmetic number, because the mean of its divisors is an integer number (2590688749968).

Almost surely, 2^{123310100145210} is an apocalyptic number.

123310100145210 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 123310100145210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165804079997952).

123310100145210 is an abundant number, since it is smaller than the sum of its proper divisors (208298059850694).

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

123310100145210 is a wasteful number, since it uses less digits than its factorization.

123310100145210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043828.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 123310100145210 its reverse (12541001013321), we get a palindrome (135851101158531).

The spelling of 123310100145210 in words is "one hundred twenty-three trillion, three hundred ten billion, one hundred million, one hundred forty-five thousand, two hundred ten".