123101120123210 has 16 divisors (see below), whose sum is σ = 221582332554336. Its totient is φ = 49240377753168.

The previous prime is 123101120123209. The next prime is 123101120123287. The reversal of 123101120123210 is 12321021101321.

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, 1112912 + ... + 15730251.

It is an arithmetic number, because the mean of its divisors is an integer number (13848895784646).

Almost surely, 2^{123101120123210} is an apocalyptic number.

123101120123210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123101120123210 is a deficient number, since it is larger than the sum of its proper divisors (98481212431126).

123101120123210 is a wasteful number, since it uses less digits than its factorization.

123101120123210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17574037.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 123101120123210 its reverse (12321021101321), we get a palindrome (135422141224531).

The spelling of 123101120123210 in words is "one hundred twenty-three trillion, one hundred one billion, one hundred twenty million, one hundred twenty-three thousand, two hundred ten".