1299512970240 has 176 divisors, whose sum is σ = 4157599471200. Its totient is φ = 346437713920.

The previous prime is 1299512970193. The next prime is 1299512970271. The reversal of 1299512970240 is 420792159921.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65131786 + ... + 65151734.

Almost surely, 2^{1299512970240} is an apocalyptic number.

1299512970240 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 1299512970240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2078799735600).

1299512970240 is an abundant number, since it is smaller than the sum of its proper divisors (2858086500960).

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

1299512970240 is a wasteful number, since it uses less digits than its factorization.

1299512970240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24218 (or 24200 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The spelling of 1299512970240 in words is "one trillion, two hundred ninety-nine billion, five hundred twelve million, nine hundred seventy thousand, two hundred forty".