212013232201 has 4 divisors (see below), whose sum is σ = 212014364292. Its totient is φ = 212012100112.

The previous prime is 212013232181. The next prime is 212013232231. The reversal of 212013232201 is 102232310212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 206751180601 + 5262051600 = 454699^2 + 72540^2 .

It is a cyclic number.

It is not a de Polignac number, because 212013232201 - 2⁷ = 212013232073 is a prime.

It is a super-2 number, since 2×212013232201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212013232231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210826 + ... + 684451.

It is an arithmetic number, because the mean of its divisors is an integer number (53003591073).

Almost surely, 2^212013232201 is an apocalyptic number.

It is an amenable number.

212013232201 is a deficient number, since it is larger than the sum of its proper divisors (1132091).

212013232201 is an equidigital number, since it uses as much as digits as its factorization.

212013232201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132090.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212013232201 its reverse (102232310212), we get a palindrome (314245542413).

The spelling of 212013232201 in words is "two hundred twelve billion, thirteen million, two hundred thirty-two thousand, two hundred one".