1223969113152 has 280 divisors, whose sum is σ = 3950892580800. Its totient is φ = 373187533824.

The previous prime is 1223969113151. The next prime is 1223969113201. The reversal of 1223969113152 is 2513119693221.

1223969113152 is a `hidden beast` number, since 1 + 22 + 396 + 91 + 1 + 3 + 152 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1223969113098 and 1223969113107.

It is not an unprimeable number, because it can be changed into a prime (1223969113151) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2642133 + ... + 3070635.

Almost surely, 2^{1223969113152} is an apocalyptic number.

1223969113152 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 1223969113152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1975446290400).

1223969113152 is an abundant number, since it is smaller than the sum of its proper divisors (2726923467648).

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

1223969113152 is a wasteful number, since it uses less digits than its factorization.

1223969113152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428575 (or 428556 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The spelling of 1223969113152 in words is "one trillion, two hundred twenty-three billion, nine hundred sixty-nine million, one hundred thirteen thousand, one hundred fifty-two".