212432144212 has 12 divisors (see below), whose sum is σ = 371764061536. Its totient is φ = 106213840920.

The previous prime is 212432144191. The next prime is 212432144213. The reversal of 212432144212 is 212441234212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212432144213) 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, 333558 + ... + 732205.

Almost surely, 2^212432144212 is an apocalyptic number.

It is an amenable number.

212432144212 is a deficient number, since it is larger than the sum of its proper divisors (159331917324).

212432144212 is a wasteful number, since it uses less digits than its factorization.

212432144212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115598 (or 1115596 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 212432144212 its reverse (212441234212), we get a palindrome (424873378424).

The spelling of 212432144212 in words is "two hundred twelve billion, four hundred thirty-two million, one hundred forty-four thousand, two hundred twelve".