1229525680320 has 896 divisors, whose sum is σ = 5150868357120. Its totient is φ = 270171832320.

The previous prime is 1229525680219. The next prime is 1229525680333. The reversal of 1229525680320 is 230865259221.

1229525680320 is a `hidden beast` number, since 1 + 2 + 2 + 9 + 52 + 568 + 0 + 32 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 294354072 + ... + 294358248.

Almost surely, 2^{1229525680320} is an apocalyptic number.

1229525680320 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 1229525680320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2575434178560).

1229525680320 is an abundant number, since it is smaller than the sum of its proper divisors (3921342676800).

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

1229525680320 is a wasteful number, since it uses less digits than its factorization.

1229525680320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4398 (or 4382 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 1229525680320 in words is "one trillion, two hundred twenty-nine billion, five hundred twenty-five million, six hundred eighty thousand, three hundred twenty".