212432240000 has 80 divisors (see below), whose sum is σ = 528836983620. Its totient is φ = 84972864000.

The previous prime is 212432239961. The next prime is 212432240017. The reversal of 212432240000 is 42234212.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1247702 + ... + 1407701.

Almost surely, 2^212432240000 is an apocalyptic number.

212432240000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212432240000 is an abundant number, since it is smaller than the sum of its proper divisors (316404743620).

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

212432240000 is an frugal number, since it uses more digits than its factorization.

212432240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655437 (or 2655410 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 212432240000 its reverse (42234212), we get a palindrome (212474474212).

The spelling of 212432240000 in words is "two hundred twelve billion, four hundred thirty-two million, two hundred forty thousand".