12020010223 has 16 divisors (see below), whose sum is σ = 13630065120. Its totient is φ = 10508230656.

The previous prime is 12020010209. The next prime is 12020010227. The reversal of 12020010223 is 32201002021.

It is a cyclic number.

It is not a de Polignac number, because 12020010223 - 2⁹ = 12020009711 is a prime.

It is a super-2 number, since 2×12020010223² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020010227) 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, 1214511 + ... + 1224367.

It is an arithmetic number, because the mean of its divisors is an integer number (851879070).

Almost surely, 2^12020010223 is an apocalyptic number.

12020010223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12020010223 is a deficient number, since it is larger than the sum of its proper divisors (1610054897).

12020010223 is a wasteful number, since it uses less digits than its factorization.

12020010223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14826.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12020010223 its reverse (32201002021), we get a palindrome (44221012244).

The spelling of 12020010223 in words is "twelve billion, twenty million, ten thousand, two hundred twenty-three".