1201232213801 has 2 divisors, whose sum is σ = 1201232213802. Its totient is φ = 1201232213800.

The previous prime is 1201232213789. The next prime is 1201232213849. The reversal of 1201232213801 is 1083122321021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1003100399401 + 198131814400 = 1001549^2 + 445120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201232213801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201232212801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600616106900 + 600616106901.

It is an arithmetic number, because the mean of its divisors is an integer number (600616106901).

Almost surely, 2^{1201232213801} is an apocalyptic number.

It is an amenable number.

1201232213801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201232213801 is an equidigital number, since it uses as much as digits as its factorization.

1201232213801 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 26.

Adding to 1201232213801 its reverse (1083122321021), we get a palindrome (2284354534822).

The spelling of 1201232213801 in words is "one trillion, two hundred one billion, two hundred thirty-two million, two hundred thirteen thousand, eight hundred one".