12100121313 has 16 divisors (see below), whose sum is σ = 19239945216. Its totient is φ = 6613730640.

The previous prime is 12100121309. The next prime is 12100121317. The reversal of 12100121313 is 31312100121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12100121309) and next prime (12100121317).

It is not a de Polignac number, because 12100121313 - 2² = 12100121309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12100121292 and 12100121301.

It is not an unprimeable number, because it can be changed into a prime (12100121317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12525523 + ... + 12526488.

It is an arithmetic number, because the mean of its divisors is an integer number (1202496576).

Almost surely, 2^12100121313 is an apocalyptic number.

It is an amenable number.

12100121313 is a deficient number, since it is larger than the sum of its proper divisors (7139823903).

12100121313 is a wasteful number, since it uses less digits than its factorization.

12100121313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25052044.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12100121313 its reverse (31312100121), we get a palindrome (43412221434).

It can be divided in two parts, 12100121 and 313, that multiplied together give a palindrome (3787337873).

The spelling of 12100121313 in words is "twelve billion, one hundred million, one hundred twenty-one thousand, three hundred thirteen".