1224881377500 has 240 divisors, whose sum is σ = 4021791814656. Its totient is φ = 287361600000.

The previous prime is 1224881377493. The next prime is 1224881377501. The reversal of 1224881377500 is 57731884221.

It is a self number, because there is not a number n which added to its sum of digits gives 1224881377500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224881377501) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 2318032 + ... + 2796968.

Almost surely, 2^{1224881377500} is an apocalyptic number.

1224881377500 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 1224881377500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2010895907328).

1224881377500 is an abundant number, since it is smaller than the sum of its proper divisors (2796910437156).

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

1224881377500 is a wasteful number, since it uses less digits than its factorization.

1224881377500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479006 (or 478989 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 1224881377500 in words is "one trillion, two hundred twenty-four billion, eight hundred eighty-one million, three hundred seventy-seven thousand, five hundred".