1298908909152 has 384 divisors, whose sum is σ = 3946844160000. Its totient is φ = 415150686720.

The previous prime is 1298908909127. The next prime is 1298908909153. The reversal of 1298908909152 is 2519098098921.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1298908909152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298908909153) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2020075743 + ... + 2020076385.

It is an arithmetic number, because the mean of its divisors is an integer number (10278240000).

Almost surely, 2^{1298908909152} is an apocalyptic number.

1298908909152 is a gapful number since it is divisible by the number (12) 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 1298908909152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1973422080000).

1298908909152 is an abundant number, since it is smaller than the sum of its proper divisors (2647935250848).

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

1298908909152 is a wasteful number, since it uses less digits than its factorization.

1298908909152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 63.

The spelling of 1298908909152 in words is "one trillion, two hundred ninety-eight billion, nine hundred eight million, nine hundred nine thousand, one hundred fifty-two".