212131013321212 has 12 divisors (see below), whose sum is σ = 372769643742496. Its totient is φ = 105625400823360.

The previous prime is 212131013321167. The next prime is 212131013321237. The reversal of 212131013321212 is 212123310131212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110026458228 + ... + 110026460155.

Almost surely, 2^{212131013321212} is an apocalyptic number.

It is an amenable number.

212131013321212 is a deficient number, since it is larger than the sum of its proper divisors (160638630421284).

212131013321212 is a wasteful number, since it uses less digits than its factorization.

212131013321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220052918628 (or 220052918626 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 212131013321212 its reverse (212123310131212), we get a palindrome (424254323452424).

The spelling of 212131013321212 in words is "two hundred twelve trillion, one hundred thirty-one billion, thirteen million, three hundred twenty-one thousand, two hundred twelve".