212423500236 has 48 divisors (see below), whose sum is σ = 513888732000. Its totient is φ = 68213870592.

The previous prime is 212423500229. The next prime is 212423500241. The reversal of 212423500236 is 632005324212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523495 + ... + 835998.

It is an arithmetic number, because the mean of its divisors is an integer number (10706015250).

Almost surely, 2^212423500236 is an apocalyptic number.

It is an amenable number.

212423500236 is an abundant number, since it is smaller than the sum of its proper divisors (301465231764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212423500236 is a wasteful number, since it uses less digits than its factorization.

212423500236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359978 (or 1359976 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 212423500236 its reverse (632005324212), we get a palindrome (844428824448).

The spelling of 212423500236 in words is "two hundred twelve billion, four hundred twenty-three million, five hundred thousand, two hundred thirty-six".