1000222122000 has 160 divisors (see below), whose sum is σ = 3335913809280. Its totient is φ = 257528409600.

The previous prime is 1000222121917. The next prime is 1000222122049. The reversal of 1000222122000 is 2212220001.

It is a super-5 number, since 5×1000222122000⁵ (a number of 61 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2700202 + ... + 3048201.

It is an arithmetic number, because the mean of its divisors is an integer number (20849461308).

Almost surely, 2^{1000222122000} is an apocalyptic number.

1000222122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000222122000 is an abundant number, since it is smaller than the sum of its proper divisors (2335691687280).

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

1000222122000 is a wasteful number, since it uses less digits than its factorization.

1000222122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5748458 (or 5748442 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1000222122000 its reverse (2212220001), we get a palindrome (1002434342001).

The spelling of 1000222122000 in words is "one trillion, two hundred twenty-two million, one hundred twenty-two thousand".