12510001001001 has 8 divisors (see below), whose sum is σ = 19062858668224. Its totient is φ = 7148572000560.

The previous prime is 12510001000993. The next prime is 12510001001011. The reversal of 12510001001001 is 10010010001521.

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

It is not a de Polignac number, because 12510001001001 - 2³ = 12510001000993 is a prime.

12510001001001 is a modest number, since divided by 1001001 gives 12510 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12510001001011) 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, 297857166670 + ... + 297857166711.

It is an arithmetic number, because the mean of its divisors is an integer number (2382857333528).

Almost surely, 2^{12510001001001} is an apocalyptic number.

It is an amenable number.

12510001001001 is a deficient number, since it is larger than the sum of its proper divisors (6552857667223).

12510001001001 is an equidigital number, since it uses as much as digits as its factorization.

12510001001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595714333391.

The product of its (nonzero) digits is 10, while the sum is 12.

Adding to 12510001001001 its reverse (10010010001521), we get a palindrome (22520011002522).

The spelling of 12510001001001 in words is "twelve trillion, five hundred ten billion, one million, one thousand, one".