12020224113 has 12 divisors (see below), whose sum is σ = 17377018308. Its totient is φ = 8006803200.

The previous prime is 12020224079. The next prime is 12020224121. The reversal of 12020224113 is 31142202021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1317907809 + 10702316304 = 36303^2 + 103452^2 .

It is not a de Polignac number, because 12020224113 - 2⁸ = 12020223857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12020224193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 545220 + ... + 566837.

It is an arithmetic number, because the mean of its divisors is an integer number (1448084859).

Almost surely, 2^12020224113 is an apocalyptic number.

It is an amenable number.

12020224113 is a deficient number, since it is larger than the sum of its proper divisors (5356794195).

12020224113 is a wasteful number, since it uses less digits than its factorization.

12020224113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113264 (or 1113261 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12020224113 its reverse (31142202021), we get a palindrome (43162426134).

The spelling of 12020224113 in words is "twelve billion, twenty million, two hundred twenty-four thousand, one hundred thirteen".