1298812032000 has 2112 divisors, whose sum is σ = 5778631872000. Its totient is φ = 279620812800.

The previous prime is 1298812031999. The next prime is 1298812032061. The reversal of 1298812032000 is 2302188921.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7507583914 + ... + 7507584086.

Almost surely, 2^{1298812032000} is an apocalyptic number.

1298812032000 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 1298812032000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2889315936000).

1298812032000 is an abundant number, since it is smaller than the sum of its proper divisors (4479819840000).

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

1298812032000 is a wasteful number, since it uses less digits than its factorization.

1298812032000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 1298812032000 in words is "one trillion, two hundred ninety-eight billion, eight hundred twelve million, thirty-two thousand".