13121010030121 has 8 divisors (see below), whose sum is σ = 15361182474624. Its totient is φ = 10972273195680.

The previous prime is 13121010030101. The next prime is 13121010030137. The reversal of 13121010030121 is 12103001012131.

It is a happy number.

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 13121010030121 - 2¹⁵ = 13121009997353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13121010030095 and 13121010030104.

It is not an unprimeable number, because it can be changed into a prime (13121010030101) 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, 22858902205 + ... + 22858902778.

It is an arithmetic number, because the mean of its divisors is an integer number (1920147809328).

Almost surely, 2^{13121010030121} is an apocalyptic number.

It is an amenable number.

13121010030121 is a deficient number, since it is larger than the sum of its proper divisors (2240172444503).

13121010030121 is an equidigital number, since it uses as much as digits as its factorization.

13121010030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45717805031.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 13121010030121 its reverse (12103001012131), we get a palindrome (25224011042252).

The spelling of 13121010030121 in words is "thirteen trillion, one hundred twenty-one billion, ten million, thirty thousand, one hundred twenty-one".