1230323122221 has 16 divisors (see below), whose sum is σ = 1697619120960. Its totient is φ = 791641992960.

The previous prime is 1230323122199. The next prime is 1230323122261. The reversal of 1230323122221 is 1222213230321.

It is not a de Polignac number, because 1230323122221 - 2¹³ = 1230323114029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230323122191 and 1230323122200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230323122261) 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, 2351500 + ... + 2826693.

It is an arithmetic number, because the mean of its divisors is an integer number (106101195060).

Almost surely, 2^{1230323122221} is an apocalyptic number.

It is an amenable number.

1230323122221 is a deficient number, since it is larger than the sum of its proper divisors (467295998739).

1230323122221 is a wasteful number, since it uses less digits than its factorization.

1230323122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5180956.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1230323122221 its reverse (1222213230321), we get a palindrome (2452536352542).

The spelling of 1230323122221 in words is "one trillion, two hundred thirty billion, three hundred twenty-three million, one hundred twenty-two thousand, two hundred twenty-one".