1213012000201 has 2 divisors, whose sum is σ = 1213012000202. Its totient is φ = 1213012000200.

The previous prime is 1213012000153. The next prime is 1213012000289. The reversal of 1213012000201 is 1020002103121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 851449107600 + 361562892601 = 922740^2 + 601301^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213012000201 - 2¹¹ = 1213011998153 is a prime.

It is a super-2 number, since 2×1213012000201² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1213012000001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606506000100 + 606506000101.

It is an arithmetic number, because the mean of its divisors is an integer number (606506000101).

Almost surely, 2^{1213012000201} is an apocalyptic number.

It is an amenable number.

1213012000201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213012000201 is an equidigital number, since it uses as much as digits as its factorization.

1213012000201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1213012000201 its reverse (1020002103121), we get a palindrome (2233014103322).

The spelling of 1213012000201 in words is "one trillion, two hundred thirteen billion, twelve million, two hundred one", and thus it is an aban number.