1230301222421 has 2 divisors, whose sum is σ = 1230301222422. Its totient is φ = 1230301222420.

The previous prime is 1230301222411. The next prime is 1230301222441. The reversal of 1230301222421 is 1242221030321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 667838721796 + 562462500625 = 817214^2 + 749975^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230301222421 - 2⁶ = 1230301222357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230301222411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615150611210 + 615150611211.

It is an arithmetic number, because the mean of its divisors is an integer number (615150611211).

Almost surely, 2^{1230301222421} is an apocalyptic number.

It is an amenable number.

1230301222421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230301222421 is an equidigital number, since it uses as much as digits as its factorization.

1230301222421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1230301222421 its reverse (1242221030321), we get a palindrome (2472522252742).

The spelling of 1230301222421 in words is "one trillion, two hundred thirty billion, three hundred one million, two hundred twenty-two thousand, four hundred twenty-one".