1201400221013 has 2 divisors, whose sum is σ = 1201400221014. Its totient is φ = 1201400221012.

The previous prime is 1201400220973. The next prime is 1201400221081. The reversal of 1201400221013 is 3101220041021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 854853723889 + 346546497124 = 924583^2 + 588682^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201400221013 - 2⁶ = 1201400220949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1201400220982 and 1201400221000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201400221613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600700110506 + 600700110507.

It is an arithmetic number, because the mean of its divisors is an integer number (600700110507).

Almost surely, 2^{1201400221013} is an apocalyptic number.

It is an amenable number.

1201400221013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201400221013 is an equidigital number, since it uses as much as digits as its factorization.

1201400221013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1201400221013 its reverse (3101220041021), we get a palindrome (4302620262034).

The spelling of 1201400221013 in words is "one trillion, two hundred one billion, four hundred million, two hundred twenty-one thousand, thirteen".