1299120891093 has 8 divisors (see below), whose sum is σ = 1924623542400. Its totient is φ = 866080594044.

The previous prime is 1299120891083. The next prime is 1299120891097. The reversal of 1299120891093 is 3901980219921.

It is not a de Polignac number, because 1299120891093 - 2¹³ = 1299120882901 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299120891097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24057794253 + ... + 24057794306.

It is an arithmetic number, because the mean of its divisors is an integer number (240577942800).

Almost surely, 2^{1299120891093} is an apocalyptic number.

It is an amenable number.

1299120891093 is a deficient number, since it is larger than the sum of its proper divisors (625502651307).

1299120891093 is an equidigital number, since it uses as much as digits as its factorization.

1299120891093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48115588568 (or 48115588562 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 54.

The spelling of 1299120891093 in words is "one trillion, two hundred ninety-nine billion, one hundred twenty million, eight hundred ninety-one thousand, ninety-three".