12211452401 has 2 divisors, whose sum is σ = 12211452402. Its totient is φ = 12211452400.

The previous prime is 12211452397. The next prime is 12211452467. The reversal of 12211452401 is 10425411221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8936866225 + 3274586176 = 94535^2 + 57224^2 .

It is a cyclic number.

It is not a de Polignac number, because 12211452401 - 2² = 12211452397 is a prime.

It is not a weakly prime, because it can be changed into another prime (12211472401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105726200 + 6105726201.

It is an arithmetic number, because the mean of its divisors is an integer number (6105726201).

Almost surely, 2^12211452401 is an apocalyptic number.

It is an amenable number.

12211452401 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211452401 is an equidigital number, since it uses as much as digits as its factorization.

12211452401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 12211452401 its reverse (10425411221), we get a palindrome (22636863622).

The spelling of 12211452401 in words is "twelve billion, two hundred eleven million, four hundred fifty-two thousand, four hundred one".