1212222301013 has 2 divisors, whose sum is σ = 1212222301014. Its totient is φ = 1212222301012.

The previous prime is 1212222300979. The next prime is 1212222301019. The reversal of 1212222301013 is 3101032222121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 810903852004 + 401318449009 = 900502^2 + 633497^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212222301013 - 2²² = 1212218106709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212222301019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606111150506 + 606111150507.

It is an arithmetic number, because the mean of its divisors is an integer number (606111150507).

Almost surely, 2^{1212222301013} is an apocalyptic number.

It is an amenable number.

1212222301013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212222301013 is an equidigital number, since it uses as much as digits as its factorization.

1212222301013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1212222301013 its reverse (3101032222121), we get a palindrome (4313254523134).

The spelling of 1212222301013 in words is "one trillion, two hundred twelve billion, two hundred twenty-two million, three hundred one thousand, thirteen".