1222110534040 has 128 divisors (see below), whose sum is σ = 3014210257920. Its totient is φ = 442262937600.

The previous prime is 1222110534011. The next prime is 1222110534049. The reversal of 1222110534040 is 404350112221.

It is a junction number, because it is equal to n+sod(n) for n = 1222110533996 and 1222110534014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222110534049) 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, 84027009 + ... + 84041551.

It is an arithmetic number, because the mean of its divisors is an integer number (23548517640).

Almost surely, 2^{1222110534040} is an apocalyptic number.

1222110534040 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 1222110534040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1507105128960).

1222110534040 is an abundant number, since it is smaller than the sum of its proper divisors (1792099723880).

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

1222110534040 is a wasteful number, since it uses less digits than its factorization.

1222110534040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15473 (or 15469 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1222110534040 its reverse (404350112221), we get a palindrome (1626460646261).

The spelling of 1222110534040 in words is "one trillion, two hundred twenty-two billion, one hundred ten million, five hundred thirty-four thousand, forty".