13001121202985 has 8 divisors (see below), whose sum is σ = 15601365649800. Its totient is φ = 10400883491584.

The previous prime is 13001121202933. The next prime is 13001121203023. The reversal of 13001121202985 is 58920212110031.

It can be written as a sum of positive squares in 4 ways, for example, as 1056991666201 + 11944129536784 = 1028101^2 + 3456028^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13001121202985 - 2¹² = 13001121198889 is a prime.

It is a super-2 number, since 2×13001121202985² (a number of 27 digits) contains 22 as substring.

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, 4910369 + ... + 7079121.

It is an arithmetic number, because the mean of its divisors is an integer number (1950170706225).

Almost surely, 2^{13001121202985} is an apocalyptic number.

It is an amenable number.

13001121202985 is a deficient number, since it is larger than the sum of its proper divisors (2600244446815).

13001121202985 is a wasteful number, since it uses less digits than its factorization.

13001121202985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367707.

The product of its (nonzero) digits is 8640, while the sum is 35.

The spelling of 13001121202985 in words is "thirteen trillion, one billion, one hundred twenty-one million, two hundred two thousand, nine hundred eighty-five".