212221032133 has 16 divisors (see below), whose sum is σ = 243735301440. Its totient is φ = 182746713600.

The previous prime is 212221032119. The next prime is 212221032137. The reversal of 212221032133 is 331230122212.

It is not a de Polignac number, because 212221032133 - 2¹³ = 212221023941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212221032137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1389813 + ... + 1534933.

It is an arithmetic number, because the mean of its divisors is an integer number (15233456340).

Almost surely, 2^212221032133 is an apocalyptic number.

It is an amenable number.

212221032133 is a deficient number, since it is larger than the sum of its proper divisors (31514269307).

212221032133 is a wasteful number, since it uses less digits than its factorization.

212221032133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152148.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212221032133 its reverse (331230122212), we get a palindrome (543451154345).

The spelling of 212221032133 in words is "two hundred twelve billion, two hundred twenty-one million, thirty-two thousand, one hundred thirty-three".