1122323547620 has 72 divisors (see below), whose sum is σ = 2591546674752. Its totient is φ = 407971600960.

The previous prime is 1122323547607. The next prime is 1122323547659. The reversal of 1122323547620 is 267453232211.

It is a super-2 number, since 2×1122323547620² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6798497 + ... + 6961623.

It is an arithmetic number, because the mean of its divisors is an integer number (35993703816).

Almost surely, 2^{1122323547620} is an apocalyptic number.

1122323547620 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 1122323547620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1295773337376).

1122323547620 is an abundant number, since it is smaller than the sum of its proper divisors (1469223127132).

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

1122323547620 is a wasteful number, since it uses less digits than its factorization.

1122323547620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166001 (or 165988 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

Adding to 1122323547620 its reverse (267453232211), we get a palindrome (1389776779831).

The spelling of 1122323547620 in words is "one trillion, one hundred twenty-two billion, three hundred twenty-three million, five hundred forty-seven thousand, six hundred twenty".