33212212051 has 2 divisors, whose sum is σ = 33212212052. Its totient is φ = 33212212050.

The previous prime is 33212211971. The next prime is 33212212063. The reversal of 33212212051 is 15021221233.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33212212051 is a prime.

It is a super-2 number, since 2×33212212051² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33212212081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16606106025 + 16606106026.

It is an arithmetic number, because the mean of its divisors is an integer number (16606106026).

Almost surely, 2^33212212051 is an apocalyptic number.

33212212051 is a deficient number, since it is larger than the sum of its proper divisors (1).

33212212051 is an equidigital number, since it uses as much as digits as its factorization.

33212212051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 33212212051 its reverse (15021221233), we get a palindrome (48233433284).

The spelling of 33212212051 in words is "thirty-three billion, two hundred twelve million, two hundred twelve thousand, fifty-one".