1212201222053 has 2 divisors, whose sum is σ = 1212201222054. Its totient is φ = 1212201222052.

The previous prime is 1212201222049. The next prime is 1212201222157. The reversal of 1212201222053 is 3502221022121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 937056912289 + 275144309764 = 968017^2 + 524542^2 .

It is an emirp because it is prime and its reverse (3502221022121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1212201222053 - 2² = 1212201222049 is a prime.

It is a super-2 number, since 2×1212201222053² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212201224053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606100611026 + 606100611027.

It is an arithmetic number, because the mean of its divisors is an integer number (606100611027).

Almost surely, 2^{1212201222053} is an apocalyptic number.

It is an amenable number.

1212201222053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212201222053 is an equidigital number, since it uses as much as digits as its factorization.

1212201222053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 1212201222053 its reverse (3502221022121), we get a palindrome (4714422244174).

The spelling of 1212201222053 in words is "one trillion, two hundred twelve billion, two hundred one million, two hundred twenty-two thousand, fifty-three".