33212252051213 has 2 divisors, whose sum is σ = 33212252051214. Its totient is φ = 33212252051212.

The previous prime is 33212252051117. The next prime is 33212252051219. The reversal of 33212252051213 is 31215025221233.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21498458309449 + 11713793741764 = 4636643^2 + 3422542^2 .

It is a cyclic number.

It is not a de Polignac number, because 33212252051213 - 2²⁸ = 33211983615757 is a prime.

It is a super-2 number, since 2×33212252051213² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33212252051213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33212252051219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16606126025606 + 16606126025607.

It is an arithmetic number, because the mean of its divisors is an integer number (16606126025607).

Almost surely, 2^{33212252051213} is an apocalyptic number.

It is an amenable number.

33212252051213 is a deficient number, since it is larger than the sum of its proper divisors (1).

33212252051213 is an equidigital number, since it uses as much as digits as its factorization.

33212252051213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 33212252051213 its reverse (31215025221233), we get a palindrome (64427277272446).

The spelling of 33212252051213 in words is "thirty-three trillion, two hundred twelve billion, two hundred fifty-two million, fifty-one thousand, two hundred thirteen".