212221244410000 has 100 divisors (see below), whose sum is σ = 587210120012032. Its totient is φ = 72761569488000.

The previous prime is 212221244409991. The next prime is 212221244410061. The reversal of 212221244410000 is 14442122212.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 1515796032 + ... + 1515936031.

Almost surely, 2^{212221244410000} is an apocalyptic number.

212221244410000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212221244410000 is an abundant number, since it is smaller than the sum of its proper divisors (374988875602032).

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

212221244410000 is an equidigital number, since it uses as much as digits as its factorization.

212221244410000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031732098 (or 3031732077 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 212221244410000 its reverse (14442122212), we get a palindrome (212235686532212).

The spelling of 212221244410000 in words is "two hundred twelve trillion, two hundred twenty-one billion, two hundred forty-four million, four hundred ten thousand".