424212122401 has 2 divisors, whose sum is σ = 424212122402. Its totient is φ = 424212122400.

The previous prime is 424212122381. The next prime is 424212122413. The reversal of 424212122401 is 104221212424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 424125260001 + 86862400 = 651249^2 + 9320^2 .

It is a cyclic number.

It is not a de Polignac number, because 424212122401 - 2¹⁵ = 424212089633 is a prime.

It is a super-2 number, since 2×424212122401² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (424212122461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212106061200 + 212106061201.

It is an arithmetic number, because the mean of its divisors is an integer number (212106061201).

Almost surely, 2^424212122401 is an apocalyptic number.

It is an amenable number.

424212122401 is a deficient number, since it is larger than the sum of its proper divisors (1).

424212122401 is an equidigital number, since it uses as much as digits as its factorization.

424212122401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 424212122401 its reverse (104221212424), we get a palindrome (528433334825).

The spelling of 424212122401 in words is "four hundred twenty-four billion, two hundred twelve million, one hundred twenty-two thousand, four hundred one".