212432420000 has 60 divisors (see below), whose sum is σ = 522615667266. Its totient is φ = 84972960000.

The previous prime is 212432419963. The next prime is 212432420021. The reversal of 212432420000 is 24234212.

It can be written as a sum of positive squares in 5 ways, for example, as 16186963984 + 196245456016 = 127228^2 + 442996^2 .

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

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, 5290811 + ... + 5330810.

Almost surely, 2^212432420000 is an apocalyptic number.

212432420000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212432420000 is an abundant number, since it is smaller than the sum of its proper divisors (310183247266).

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

212432420000 is an equidigital number, since it uses as much as digits as its factorization.

212432420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10621651 (or 10621628 counting only the distinct ones).

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

Adding to 212432420000 its reverse (24234212), we get a palindrome (212456654212).

The spelling of 212432420000 in words is "two hundred twelve billion, four hundred thirty-two million, four hundred twenty thousand".