123301321221 has 32 divisors (see below), whose sum is σ = 179248366080. Its totient is φ = 74935433664.

The previous prime is 123301321151. The next prime is 123301321331. The reversal of 123301321221 is 122123103321.

It is not a de Polignac number, because 123301321221 - 2⁷ = 123301321093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123301321021) 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, 11476270 + ... + 11487008.

It is an arithmetic number, because the mean of its divisors is an integer number (5601511440).

Almost surely, 2^123301321221 is an apocalyptic number.

It is an amenable number.

123301321221 is a deficient number, since it is larger than the sum of its proper divisors (55947044859).

123301321221 is a wasteful number, since it uses less digits than its factorization.

123301321221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14385.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123301321221 its reverse (122123103321), we get a palindrome (245424424542).

The spelling of 123301321221 in words is "one hundred twenty-three billion, three hundred one million, three hundred twenty-one thousand, two hundred twenty-one".