1227125801088 has 768 divisors, whose sum is σ = 4090020480000. Its totient is φ = 363110584320.

The previous prime is 1227125801051. The next prime is 1227125801089. The reversal of 1227125801088 is 8801085217221.

It is not an unprimeable number, because it can be changed into a prime (1227125801089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4561805818 + ... + 4561806086.

It is an arithmetic number, because the mean of its divisors is an integer number (5325547500).

Almost surely, 2^{1227125801088} is an apocalyptic number.

1227125801088 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 1227125801088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2045010240000).

1227125801088 is an abundant number, since it is smaller than the sum of its proper divisors (2862894678912).

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

1227125801088 is a wasteful number, since it uses less digits than its factorization.

1227125801088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 45.

The spelling of 1227125801088 in words is "one trillion, two hundred twenty-seven billion, one hundred twenty-five million, eight hundred one thousand, eighty-eight".