1213033013201 has 2 divisors, whose sum is σ = 1213033013202. Its totient is φ = 1213033013200.

The previous prime is 1213033013191. The next prime is 1213033013243. The reversal of 1213033013201 is 1023103303121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 918384888976 + 294648124225 = 958324^2 + 542815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1213033013201 is a prime.

It is a super-2 number, since 2×1213033013201² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1213033013281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606516506600 + 606516506601.

It is an arithmetic number, because the mean of its divisors is an integer number (606516506601).

Almost surely, 2^{1213033013201} is an apocalyptic number.

It is an amenable number.

1213033013201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213033013201 is an equidigital number, since it uses as much as digits as its factorization.

1213033013201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1213033013201 its reverse (1023103303121), we get a palindrome (2236136316322).

The spelling of 1213033013201 in words is "one trillion, two hundred thirteen billion, thirty-three million, thirteen thousand, two hundred one".