1222401253001 has 2 divisors, whose sum is σ = 1222401253002. Its totient is φ = 1222401253000.

The previous prime is 1222401252991. The next prime is 1222401253027. The reversal of 1222401253001 is 1003521042221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 962557210000 + 259844043001 = 981100^2 + 509749^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222401253001 - 2³⁰ = 1221327511177 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222401243001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611200626500 + 611200626501.

It is an arithmetic number, because the mean of its divisors is an integer number (611200626501).

Almost surely, 2^{1222401253001} is an apocalyptic number.

It is an amenable number.

1222401253001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222401253001 is an equidigital number, since it uses as much as digits as its factorization.

1222401253001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 1222401253001 its reverse (1003521042221), we get a palindrome (2225922295222).

The spelling of 1222401253001 in words is "one trillion, two hundred twenty-two billion, four hundred one million, two hundred fifty-three thousand, one".