1222110123000 has 128 divisors (see below), whose sum is σ = 4106290144320. Its totient is φ = 300827097600.

The previous prime is 1222110122969. The next prime is 1222110123007. The reversal of 1222110123000 is 3210112221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222110123007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15629079 + ... + 15707078.

Almost surely, 2^{1222110123000} is an apocalyptic number.

1222110123000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222110123000 is an abundant number, since it is smaller than the sum of its proper divisors (2884180021320).

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

1222110123000 is a wasteful number, since it uses less digits than its factorization.

1222110123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31336194 (or 31336180 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1222110123000 its reverse (3210112221), we get a palindrome (1225320235221).

The spelling of 1222110123000 in words is "one trillion, two hundred twenty-two billion, one hundred ten million, one hundred twenty-three thousand".