21301230133012 has 24 divisors (see below), whose sum is σ = 39472973809920. Its totient is φ = 10023334358400.

The previous prime is 21301230133009. The next prime is 21301230133069. The reversal of 21301230133012 is 21033103210312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11205114 + ... + 12967537.

It is an arithmetic number, because the mean of its divisors is an integer number (1644707242080).

Almost surely, 2^{21301230133012} is an apocalyptic number.

It is an amenable number.

21301230133012 is a deficient number, since it is larger than the sum of its proper divisors (18171743676908).

21301230133012 is a wasteful number, since it uses less digits than its factorization.

21301230133012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24185631 (or 24185629 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21301230133012 its reverse (21033103210312), we get a palindrome (42334333343324).

The spelling of 21301230133012 in words is "twenty-one trillion, three hundred one billion, two hundred thirty million, one hundred thirty-three thousand, twelve".