1300121022009 has 32 divisors (see below), whose sum is σ = 1932182674560. Its totient is φ = 772781644800.

The previous prime is 1300121021993. The next prime is 1300121022041. The reversal of 1300121022009 is 9002201210031.

It is not a de Polignac number, because 1300121022009 - 2⁴ = 1300121021993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1300121022089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23636479 + ... + 23691419.

It is an arithmetic number, because the mean of its divisors is an integer number (60380708580).

Almost surely, 2^{1300121022009} is an apocalyptic number.

1300121022009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1300121022009 is a deficient number, since it is larger than the sum of its proper divisors (632061652551).

1300121022009 is a wasteful number, since it uses less digits than its factorization.

1300121022009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79401.

The product of its (nonzero) digits is 216, while the sum is 21.

The spelling of 1300121022009 in words is "one trillion, three hundred billion, one hundred twenty-one million, twenty-two thousand, nine".