12501121013 has 8 divisors (see below), whose sum is σ = 12763668960. Its totient is φ = 12240262000.

The previous prime is 12501120997. The next prime is 12501121033. The reversal of 12501121013 is 31012110521.

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 12501121013 - 2⁴ = 12501120997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12501120982 and 12501121000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12501121033) 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, 407270 + ... + 436887.

It is an arithmetic number, because the mean of its divisors is an integer number (1595458620).

Almost surely, 2^12501121013 is an apocalyptic number.

It is an amenable number.

12501121013 is a deficient number, since it is larger than the sum of its proper divisors (262547947).

12501121013 is an equidigital number, since it uses as much as digits as its factorization.

12501121013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844467.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 12501121013 its reverse (31012110521), we get a palindrome (43513231534).

The spelling of 12501121013 in words is "twelve billion, five hundred one million, one hundred twenty-one thousand, thirteen".