123112221300321 has 32 divisors (see below), whose sum is σ = 186866195263488. Its totient is φ = 71366302170240.

The previous prime is 123112221300281. The next prime is 123112221300329. The reversal of 123112221300321 is 123003122211321.

It is not a de Polignac number, because 123112221300321 - 2¹³ = 123112221292129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123112221300291 and 123112221300300.

It is not an unprimeable number, because it can be changed into a prime (123112221300329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14010165 + ... + 21035901.

It is an arithmetic number, because the mean of its divisors is an integer number (5839568601984).

Almost surely, 2^{123112221300321} is an apocalyptic number.

123112221300321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123112221300321 is a deficient number, since it is larger than the sum of its proper divisors (63753973963167).

123112221300321 is a wasteful number, since it uses less digits than its factorization.

123112221300321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7048861.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 123112221300321 its reverse (123003122211321), we get a palindrome (246115343511642).

The spelling of 123112221300321 in words is "one hundred twenty-three trillion, one hundred twelve billion, two hundred twenty-one million, three hundred thousand, three hundred twenty-one".