212616132412 has 12 divisors (see below), whose sum is σ = 376258886640. Its totient is φ = 105113593376.

The previous prime is 212616132373. The next prime is 212616132413. The reversal of 212616132412 is 214231616212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212616132413) 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, 298617808 + ... + 298618519.

It is an arithmetic number, because the mean of its divisors is an integer number (31354907220).

Almost surely, 2^212616132412 is an apocalyptic number.

It is an amenable number.

212616132412 is a deficient number, since it is larger than the sum of its proper divisors (163642754228).

212616132412 is a wasteful number, since it uses less digits than its factorization.

212616132412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597236420 (or 597236418 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

Adding to 212616132412 its reverse (214231616212), we get a palindrome (426847748624).

The spelling of 212616132412 in words is "two hundred twelve billion, six hundred sixteen million, one hundred thirty-two thousand, four hundred twelve".