212132220033191 has 2 divisors, whose sum is σ = 212132220033192. Its totient is φ = 212132220033190.

The previous prime is 212132220033187. The next prime is 212132220033299. The reversal of 212132220033191 is 191330022231212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212132220033191 - 2² = 212132220033187 is a prime.

It is a super-2 number, since 2×212132220033191² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212132220033101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106066110016595 + 106066110016596.

It is an arithmetic number, because the mean of its divisors is an integer number (106066110016596).

Almost surely, 2^{212132220033191} is an apocalyptic number.

212132220033191 is a deficient number, since it is larger than the sum of its proper divisors (1).

212132220033191 is an equidigital number, since it uses as much as digits as its factorization.

212132220033191 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 32.

The spelling of 212132220033191 in words is "two hundred twelve trillion, one hundred thirty-two billion, two hundred twenty million, thirty-three thousand, one hundred ninety-one".