1232712280128 has 168 divisors, whose sum is σ = 3794771594592. Its totient is φ = 352136472576.

The previous prime is 1232712280099. The next prime is 1232712280187. The reversal of 1232712280128 is 8210822172321.

It is a tau number, because it is divible by the number of its divisors (168).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70767676 + ... + 70785092.

Almost surely, 2^{1232712280128} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232712280128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1897385797296).

1232712280128 is an abundant number, since it is smaller than the sum of its proper divisors (2562059314464).

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

1232712280128 is a wasteful number, since it uses less digits than its factorization.

1232712280128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24969 (or 24952 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The spelling of 1232712280128 in words is "one trillion, two hundred thirty-two billion, seven hundred twelve million, two hundred eighty thousand, one hundred twenty-eight".