12021320423010 has 32 divisors (see below), whose sum is σ = 29058731392320. Its totient is φ = 3182622959808.

The previous prime is 12021320423003. The next prime is 12021320423017. The reversal of 12021320423010 is 1032402312021.

It is an interprime number because it is at equal distance from previous prime (12021320423003) and next prime (12021320423017).

It is not an unprimeable number, because it can be changed into a prime (12021320423017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1441401157 + ... + 1441409496.

It is an arithmetic number, because the mean of its divisors is an integer number (908085356010).

Almost surely, 2^{12021320423010} is an apocalyptic number.

12021320423010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021320423010 is an abundant number, since it is smaller than the sum of its proper divisors (17037410969310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12021320423010 is a wasteful number, since it uses less digits than its factorization.

12021320423010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882810802.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12021320423010 its reverse (1032402312021), we get a palindrome (13053722735031).

The spelling of 12021320423010 in words is "twelve trillion, twenty-one billion, three hundred twenty million, four hundred twenty-three thousand, ten".