1212000233201 has 2 divisors, whose sum is σ = 1212000233202. Its totient is φ = 1212000233200.

The previous prime is 1212000233161. The next prime is 1212000233231. The reversal of 1212000233201 is 1023320002121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1200481792225 + 11518440976 = 1095665^2 + 107324^2 .

It is an emirp because it is prime and its reverse (1023320002121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1212000233201 - 2¹⁸ = 1211999971057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1212000233201.

It is not a weakly prime, because it can be changed into another prime (1212000233231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606000116600 + 606000116601.

It is an arithmetic number, because the mean of its divisors is an integer number (606000116601).

Almost surely, 2^{1212000233201} is an apocalyptic number.

It is an amenable number.

1212000233201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212000233201 is an equidigital number, since it uses as much as digits as its factorization.

1212000233201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1212000233201 its reverse (1023320002121), we get a palindrome (2235320235322).

The spelling of 1212000233201 in words is "one trillion, two hundred twelve billion, two hundred thirty-three thousand, two hundred one".