213013230212 has 6 divisors (see below), whose sum is σ = 372773152878. Its totient is φ = 106506615104.

The previous prime is 213013230161. The next prime is 213013230233. The reversal of 213013230212 is 212032310312.

It can be written as a sum of positive squares in only one way, i.e., 128347361536 + 84665868676 = 358256^2 + 290974^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26626653773 + ... + 26626653780.

It is an arithmetic number, because the mean of its divisors is an integer number (62128858813).

Almost surely, 2^213013230212 is an apocalyptic number.

It is an amenable number.

213013230212 is a deficient number, since it is larger than the sum of its proper divisors (159759922666).

213013230212 is a wasteful number, since it uses less digits than its factorization.

213013230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53253307557 (or 53253307555 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213013230212 its reverse (212032310312), we get a palindrome (425045540524).

The spelling of 213013230212 in words is "two hundred thirteen billion, thirteen million, two hundred thirty thousand, two hundred twelve".