12021010113 has 24 divisors (see below), whose sum is σ = 18683228352. Its totient is φ = 6855002784.

The previous prime is 12021010103. The next prime is 12021010163. The reversal of 12021010113 is 31101012021.

It is not a de Polignac number, because 12021010113 - 2⁹ = 12021009601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12021010103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12370 + ... + 155547.

It is an arithmetic number, because the mean of its divisors is an integer number (778467848).

Almost surely, 2^12021010113 is an apocalyptic number.

It is an amenable number.

12021010113 is a deficient number, since it is larger than the sum of its proper divisors (6662218239).

12021010113 is a wasteful number, since it uses less digits than its factorization.

12021010113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168421 (or 168414 counting only the distinct ones).

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

Adding to 12021010113 its reverse (31101012021), we get a palindrome (43122022134).

The spelling of 12021010113 in words is "twelve billion, twenty-one million, ten thousand, one hundred thirteen".