212444535000 has 80 divisors (see below), whose sum is σ = 663676774200. Its totient is φ = 56651872000.

The previous prime is 212444534987. The next prime is 212444535011. The reversal of 212444535000 is 535444212.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7066485 + ... + 7096484.

Almost surely, 2^212444535000 is an apocalyptic number.

212444535000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212444535000 is an abundant number, since it is smaller than the sum of its proper divisors (451232239200).

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

212444535000 is a wasteful number, since it uses less digits than its factorization.

212444535000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14162998 (or 14162979 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 212444535000 its reverse (535444212), we get a palindrome (212979979212).

The spelling of 212444535000 in words is "two hundred twelve billion, four hundred forty-four million, five hundred thirty-five thousand".