1212211112053 has 2 divisors, whose sum is σ = 1212211112054. Its totient is φ = 1212211112052.

The previous prime is 1212211111973. The next prime is 1212211112059. The reversal of 1212211112053 is 3502111122121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1207201020529 + 5010091524 = 1098727^2 + 70782^2 .

It is an emirp because it is prime and its reverse (3502111122121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1212211112053 - 2¹³ = 1212211103861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212211112059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606105556026 + 606105556027.

It is an arithmetic number, because the mean of its divisors is an integer number (606105556027).

Almost surely, 2^{1212211112053} is an apocalyptic number.

It is an amenable number.

1212211112053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212211112053 is an equidigital number, since it uses as much as digits as its factorization.

1212211112053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 1212211112053 its reverse (3502111122121), we get a palindrome (4714322234174).

The spelling of 1212211112053 in words is "one trillion, two hundred twelve billion, two hundred eleven million, one hundred twelve thousand, fifty-three".