1220122110000 has 100 divisors (see below), whose sum is σ = 3938716950872. Its totient is φ = 325365888000.

The previous prime is 1220122109981. The next prime is 1220122110019. The reversal of 1220122110000 is 112210221.

It is an interprime number because it is at equal distance from previous prime (1220122109981) and next prime (1220122110019).

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 (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20305369 + ... + 20365368.

Almost surely, 2^{1220122110000} is an apocalyptic number.

1220122110000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220122110000 is an abundant number, since it is smaller than the sum of its proper divisors (2718594840872).

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

1220122110000 is an equidigital number, since it uses as much as digits as its factorization.

1220122110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40670768 (or 40670747 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1220122110000 its reverse (112210221), we get a palindrome (1220234320221).

It can be divided in two parts, 12201221 and 10000, that added together give a palindrome (12211221).

The spelling of 1220122110000 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, one hundred ten thousand".