1123122230000 has 100 divisors (see below), whose sum is σ = 2765280670680. Its totient is φ = 441634272000.

The previous prime is 1123122229991. The next prime is 1123122230003. The reversal of 1123122230000 is 322213211.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×1123122230000² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123122230003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 361799 + ... + 1541798.

Almost surely, 2^{1123122230000} is an apocalyptic number.

1123122230000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123122230000 is an abundant number, since it is smaller than the sum of its proper divisors (1642158440680).

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

1123122230000 is an equidigital number, since it uses as much as digits as its factorization.

1123122230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903684 (or 1903663 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1123122230000 its reverse (322213211), we get a palindrome (1123444443211).

The spelling of 1123122230000 in words is "one trillion, one hundred twenty-three billion, one hundred twenty-two million, two hundred thirty thousand".