30412221421 has 2 divisors, whose sum is σ = 30412221422. Its totient is φ = 30412221420.

The previous prime is 30412221353. The next prime is 30412221457. The reversal of 30412221421 is 12412221403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23253200100 + 7159021321 = 152490^2 + 84611^2 .

It is a cyclic number.

It is not a de Polignac number, because 30412221421 - 2³¹ = 28264737773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30412221392 and 30412221401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30412221821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15206110710 + 15206110711.

It is an arithmetic number, because the mean of its divisors is an integer number (15206110711).

Almost surely, 2^30412221421 is an apocalyptic number.

It is an amenable number.

30412221421 is a deficient number, since it is larger than the sum of its proper divisors (1).

30412221421 is an equidigital number, since it uses as much as digits as its factorization.

30412221421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 30412221421 its reverse (12412221403), we get a palindrome (42824442824).

The spelling of 30412221421 in words is "thirty billion, four hundred twelve million, two hundred twenty-one thousand, four hundred twenty-one".