12021310113 has 32 divisors (see below), whose sum is σ = 17460878976. Its totient is φ = 7328268288.

The previous prime is 12021310099. The next prime is 12021310123. The reversal of 12021310113 is 31101312021.

It is a happy number.

It is not a de Polignac number, because 12021310113 - 2⁴ = 12021310097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12021310092 and 12021310101.

It is not an unprimeable number, because it can be changed into a prime (12021310123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225345 + ... + 273537.

It is an arithmetic number, because the mean of its divisors is an integer number (545652468).

Almost surely, 2^12021310113 is an apocalyptic number.

It is an amenable number.

12021310113 is a deficient number, since it is larger than the sum of its proper divisors (5439568863).

12021310113 is a wasteful number, since it uses less digits than its factorization.

12021310113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48353.

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

Adding to 12021310113 its reverse (31101312021), we get a palindrome (43122622134).

The spelling of 12021310113 in words is "twelve billion, twenty-one million, three hundred ten thousand, one hundred thirteen".