21232012003013 has 32 divisors (see below), whose sum is σ = 25005398906880. Its totient is φ = 17649024906240.

The previous prime is 21232012003009. The next prime is 21232012003051. The reversal of 21232012003013 is 31030021023212.

It is not a de Polignac number, because 21232012003013 - 2² = 21232012003009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232012003313) 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, 282426956 + ... + 282502122.

It is an arithmetic number, because the mean of its divisors is an integer number (781418715840).

Almost surely, 2^{21232012003013} is an apocalyptic number.

It is an amenable number.

21232012003013 is a deficient number, since it is larger than the sum of its proper divisors (3773386903867).

21232012003013 is a wasteful number, since it uses less digits than its factorization.

21232012003013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81077.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21232012003013 its reverse (31030021023212), we get a palindrome (52262033026225).

It can be divided in two parts, 2123201 and 2003013, that added together give a palindrome (4126214).

The spelling of 21232012003013 in words is "twenty-one trillion, two hundred thirty-two billion, twelve million, three thousand, thirteen".