1222321023000 has 960 divisors, whose sum is σ = 5422309944480. Its totient is φ = 253979712000.

The previous prime is 1222321022987. The next prime is 1222321023013. The reversal of 1222321023000 is 3201232221.

1222321023000 is a `hidden beast` number, since 1 + 2 + 223 + 210 + 230 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1222321022987) and next prime (1222321023013).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 43645002 + ... + 43672998.

Almost surely, 2^{1222321023000} is an apocalyptic number.

1222321023000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222321023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2711154972240).

1222321023000 is an abundant number, since it is smaller than the sum of its proper divisors (4199988921480).

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

1222321023000 is a wasteful number, since it uses less digits than its factorization.

1222321023000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28055 (or 28025 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1222321023000 its reverse (3201232221), we get a palindrome (1225522255221).

The spelling of 1222321023000 in words is "one trillion, two hundred twenty-two billion, three hundred twenty-one million, twenty-three thousand".