21033100133012 has 12 divisors (see below), whose sum is σ = 40154100254016. Its totient is φ = 9560500060440.

The previous prime is 21033100132939. The next prime is 21033100133033.

21033100133012 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239012501468 + ... + 239012501555.

It is an arithmetic number, because the mean of its divisors is an integer number (3346175021168).

Almost surely, 2^{21033100133012} is an apocalyptic number.

21033100133012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21033100133012 is a deficient number, since it is larger than the sum of its proper divisors (19121000121004).

21033100133012 is a wasteful number, since it uses less digits than its factorization.

21033100133012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478025003038 (or 478025003036 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

It can be divided in two parts, 21033100 and 133012, that added together give a palindrome (21166112).

The spelling of 21033100133012 in words is "twenty-one trillion, thirty-three billion, one hundred million, one hundred thirty-three thousand, twelve".