33212212069 has 2 divisors, whose sum is σ = 33212212070. Its totient is φ = 33212212068.

The previous prime is 33212212063. The next prime is 33212212081. The reversal of 33212212069 is 96021221233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22528509025 + 10683703044 = 150095^2 + 103362^2 .

It is a cyclic number.

It is not a de Polignac number, because 33212212069 - 2¹³ = 33212203877 is a prime.

It is a super-2 number, since 2×33212212069² (a number of 22 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 33212212069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33212212063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16606106034 + 16606106035.

It is an arithmetic number, because the mean of its divisors is an integer number (16606106035).

Almost surely, 2^33212212069 is an apocalyptic number.

It is an amenable number.

33212212069 is a deficient number, since it is larger than the sum of its proper divisors (1).

33212212069 is an equidigital number, since it uses as much as digits as its factorization.

33212212069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 33212212069 in words is "thirty-three billion, two hundred twelve million, two hundred twelve thousand, sixty-nine".