1000011222000 has 240 divisors, whose sum is σ = 3991664344512. Its totient is φ = 228573964800.

The previous prime is 1000011221981. The next prime is 1000011222013. The reversal of 1000011222000 is 2221100001.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 3842299 + ... + 4094298.

Almost surely, 2^{1000011222000} is an apocalyptic number.

1000011222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000011222000 is an abundant number, since it is smaller than the sum of its proper divisors (2991653122512).

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

1000011222000 is a wasteful number, since it uses less digits than its factorization.

1000011222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7936633 (or 7936614 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1000011222000 its reverse (2221100001), we get a palindrome (1002232322001).

The spelling of 1000011222000 in words is "one trillion, eleven million, two hundred twenty-two thousand".