1213400413201 has 2 divisors, whose sum is σ = 1213400413202. Its totient is φ = 1213400413200.

The previous prime is 1213400413163. The next prime is 1213400413213. The reversal of 1213400413201 is 1023140043121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 719360118801 + 494040294400 = 848151^2 + 702880^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213400413201 - 2³³ = 1204810478609 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213400413801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606700206600 + 606700206601.

It is an arithmetic number, because the mean of its divisors is an integer number (606700206601).

Almost surely, 2^{1213400413201} is an apocalyptic number.

It is an amenable number.

1213400413201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213400413201 is an equidigital number, since it uses as much as digits as its factorization.

1213400413201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1213400413201 its reverse (1023140043121), we get a palindrome (2236540456322).

The spelling of 1213400413201 in words is "one trillion, two hundred thirteen billion, four hundred million, four hundred thirteen thousand, two hundred one".