1210221022000 has 40 divisors (see below), whose sum is σ = 2926314436032. Its totient is φ = 484088408000.

The previous prime is 1210221021973. The next prime is 1210221022013. The reversal of 1210221022000 is 2201220121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302553256 + ... + 302557255.

Almost surely, 2^{1210221022000} is an apocalyptic number.

1210221022000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210221022000 is an abundant number, since it is smaller than the sum of its proper divisors (1716093414032).

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

1210221022000 is an equidigital number, since it uses as much as digits as its factorization.

1210221022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605110534 (or 605110518 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1210221022000 its reverse (2201220121), we get a palindrome (1212422242121).

The spelling of 1210221022000 in words is "one trillion, two hundred ten billion, two hundred twenty-one million, twenty-two thousand".