212333013553 has 2 divisors, whose sum is σ = 212333013554. Its totient is φ = 212333013552.

The previous prime is 212333013517. The next prime is 212333013559. The reversal of 212333013553 is 355310333212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115305747489 + 97027266064 = 339567^2 + 311492^2 .

It is a cyclic number.

It is not a de Polignac number, because 212333013553 - 2³⁷ = 74894060081 is a prime.

It is not a weakly prime, because it can be changed into another prime (212333013559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106166506776 + 106166506777.

It is an arithmetic number, because the mean of its divisors is an integer number (106166506777).

Almost surely, 2^212333013553 is an apocalyptic number.

It is an amenable number.

212333013553 is a deficient number, since it is larger than the sum of its proper divisors (1).

212333013553 is an equidigital number, since it uses as much as digits as its factorization.

212333013553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 31.

Adding to 212333013553 its reverse (355310333212), we get a palindrome (567643346765).

The spelling of 212333013553 in words is "two hundred twelve billion, three hundred thirty-three million, thirteen thousand, five hundred fifty-three".