1000122223050 has 144 divisors (see below), whose sum is σ = 2750250222720. Its totient is φ = 260424299520.

The previous prime is 1000122223049. The next prime is 1000122223069. The reversal of 1000122223050 is 503222210001.

It is a super-2 number, since 2×1000122223050² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 129428287 + ... + 129436013.

It is an arithmetic number, because the mean of its divisors is an integer number (19098959880).

Almost surely, 2^{1000122223050} is an apocalyptic number.

1000122223050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000122223050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1375125111360).

1000122223050 is an abundant number, since it is smaller than the sum of its proper divisors (1750127999670).

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

1000122223050 is a wasteful number, since it uses less digits than its factorization.

1000122223050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14477 (or 14469 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 1000122223050 its reverse (503222210001), we get a palindrome (1503344433051).

The spelling of 1000122223050 in words is "one trillion, one hundred twenty-two million, two hundred twenty-three thousand, fifty".