1299194010000 has 150 divisors (see below), whose sum is σ = 4543469429070. Its totient is φ = 346451712000.

The previous prime is 1299194009959. The next prime is 1299194010019. The reversal of 1299194010000 is 104919921.

It can be written as a sum of positive squares in 5 ways, for example, as 990009080064 + 309184929936 = 994992^2 + 556044^2 .

It is a tau number, because it is divible by the number of its divisors (150).

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

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 7127745 + ... + 7307744.

Almost surely, 2^{1299194010000} is an apocalyptic number.

1299194010000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1299194010000 is an abundant number, since it is smaller than the sum of its proper divisors (3244275419070).

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

1299194010000 is a wasteful number, since it uses less digits than its factorization.

1299194010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14435523 (or 14435499 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

Adding to 1299194010000 its reverse (104919921), we get a palindrome (1299298929921).

The spelling of 1299194010000 in words is "one trillion, two hundred ninety-nine billion, one hundred ninety-four million, ten thousand".