213032124212 has 6 divisors (see below), whose sum is σ = 372806217378. Its totient is φ = 106516062104.

The previous prime is 213032124143. The next prime is 213032124257. The reversal of 213032124212 is 212421230312.

It can be written as a sum of positive squares in only one way, i.e., 207795575716 + 5236548496 = 455846^2 + 72364^2 .

It is a super-3 number, since 3×213032124212³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26629015523 + ... + 26629015530.

It is an arithmetic number, because the mean of its divisors is an integer number (62134369563).

Almost surely, 2^213032124212 is an apocalyptic number.

It is an amenable number.

213032124212 is a deficient number, since it is larger than the sum of its proper divisors (159774093166).

213032124212 is a wasteful number, since it uses less digits than its factorization.

213032124212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53258031057 (or 53258031055 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 213032124212 its reverse (212421230312), we get a palindrome (425453354524).

The spelling of 213032124212 in words is "two hundred thirteen billion, thirty-two million, one hundred twenty-four thousand, two hundred twelve".