21032100233012 has 48 divisors (see below), whose sum is σ = 40194561318912. Its totient is φ = 9549962755680.

The previous prime is 21032100233003. The next prime is 21032100233113. The reversal of 21032100233012 is 21033200123012.

It is a super-2 number, since 2×21032100233012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164060723 + ... + 164188869.

It is an arithmetic number, because the mean of its divisors is an integer number (837386694144).

Almost surely, 2^{21032100233012} is an apocalyptic number.

21032100233012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21032100233012 is a deficient number, since it is larger than the sum of its proper divisors (19162461085900).

21032100233012 is a wasteful number, since it uses less digits than its factorization.

21032100233012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132068 (or 132066 counting only the distinct ones).

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

Adding to 21032100233012 its reverse (21033200123012), we get a palindrome (42065300356024).

The spelling of 21032100233012 in words is "twenty-one trillion, thirty-two billion, one hundred million, two hundred thirty-three thousand, twelve".