1227560323968 has 896 divisors, whose sum is σ = 4171467202560. Its totient is φ = 356302540800.

The previous prime is 1227560323921. The next prime is 1227560323993. The reversal of 1227560323968 is 8693230657221.

1227560323968 is a `hidden beast` number, since 1 + 2 + 2 + 7 + 5 + 603 + 23 + 9 + 6 + 8 = 666.

It is a super-2 number, since 2×1227560323968² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 5504754705 + ... + 5504754927.

It is an arithmetic number, because the mean of its divisors is an integer number (4655655360).

Almost surely, 2^{1227560323968} is an apocalyptic number.

1227560323968 is a gapful number since it is divisible by the number (18) 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 1227560323968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2085733601280).

1227560323968 is an abundant number, since it is smaller than the sum of its proper divisors (2943906878592).

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

1227560323968 is a wasteful number, since it uses less digits than its factorization.

1227560323968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 1227560323968 in words is "one trillion, two hundred twenty-seven billion, five hundred sixty million, three hundred twenty-three thousand, nine hundred sixty-eight".