1122223971072 has 144 divisors (see below), whose sum is σ = 3016491311232. Its totient is φ = 370354298880.

The previous prime is 1122223971061. The next prime is 1122223971083. The reversal of 1122223971072 is 2701793222211.

It is an interprime number because it is at equal distance from previous prime (1122223971061) and next prime (1122223971083).

It is a self number, because there is not a number n which added to its sum of digits gives 1122223971072.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187440463 + ... + 187446449.

It is an arithmetic number, because the mean of its divisors is an integer number (20947856328).

Almost surely, 2^{1122223971072} is an apocalyptic number.

1122223971072 is a gapful number since it is divisible by the number (12) 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 1122223971072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1508245655616).

1122223971072 is an abundant number, since it is smaller than the sum of its proper divisors (1894267340160).

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

1122223971072 is a wasteful number, since it uses less digits than its factorization.

1122223971072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8394 (or 8380 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 1122223971072 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-three million, nine hundred seventy-one thousand, seventy-two".