21414434212000 has 48 divisors (see below), whose sum is σ = 52615264868712. Its totient is φ = 8565773683200.

The previous prime is 21414434211971. The next prime is 21414434212007. The reversal of 21414434212000 is 21243441412.

It can be written as a sum of positive squares in 4 ways, for example, as 5580688073104 + 15833746138896 = 2362348^2 + 3979164^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 21414434212000.

It is not an unprimeable number, because it can be changed into a prime (21414434212007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2676800277 + ... + 2676808276.

Almost surely, 2^{21414434212000} is an apocalyptic number.

21414434212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21414434212000 is an abundant number, since it is smaller than the sum of its proper divisors (31200830656712).

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

21414434212000 is an equidigital number, since it uses as much as digits as its factorization.

21414434212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353608578 (or 5353608560 counting only the distinct ones).

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

Adding to 21414434212000 its reverse (21243441412), we get a palindrome (21435677653412).

The spelling of 21414434212000 in words is "twenty-one trillion, four hundred fourteen billion, four hundred thirty-four million, two hundred twelve thousand".