213101024212 has 12 divisors (see below), whose sum is σ = 376348139860. Its totient is φ = 105572984256.

The previous prime is 213101024209. The next prime is 213101024219. The reversal of 213101024212 is 212420101312.

It can be written as a sum of positive squares in 2 ways, for example, as 120267465616 + 92833558596 = 346796^2 + 304686^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 213101024212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213101024219) 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, 244381473 + ... + 244382344.

Almost surely, 2^213101024212 is an apocalyptic number.

It is an amenable number.

213101024212 is a deficient number, since it is larger than the sum of its proper divisors (163247115648).

213101024212 is a wasteful number, since it uses less digits than its factorization.

213101024212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488763930 (or 488763928 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 213101024212 its reverse (212420101312), we get a palindrome (425521125524).

The spelling of 213101024212 in words is "two hundred thirteen billion, one hundred one million, twenty-four thousand, two hundred twelve".