1299343596620 has 24 divisors (see below), whose sum is σ = 2739238768224. Its totient is φ = 517715111936.

The previous prime is 1299343596599. The next prime is 1299343596637. The reversal of 1299343596620 is 266953439921.

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 1299343596620.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126390152 + ... + 126400431.

It is an arithmetic number, because the mean of its divisors is an integer number (114134948676).

Almost surely, 2^{1299343596620} is an apocalyptic number.

1299343596620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1299343596620 is an abundant number, since it is smaller than the sum of its proper divisors (1439895171604).

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

1299343596620 is a wasteful number, since it uses less digits than its factorization.

1299343596620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252790849 (or 252790847 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 59.

The spelling of 1299343596620 in words is "one trillion, two hundred ninety-nine billion, three hundred forty-three million, five hundred ninety-six thousand, six hundred twenty".