20121013023233 has 8 divisors (see below), whose sum is σ = 20404859268096. Its totient is φ = 19837179325600.

The previous prime is 20121013023217. The next prime is 20121013023277. The reversal of 20121013023233 is 33232031012102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20121013023233 - 2⁴ = 20121013023217 is a prime.

It is a super-2 number, since 2×20121013023233² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20121013023199 and 20121013023208.

It is not an unprimeable number, because it can be changed into a prime (20121013023833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116693 + ... + 6344733.

It is an arithmetic number, because the mean of its divisors is an integer number (2550607408512).

Almost surely, 2^{20121013023233} is an apocalyptic number.

It is an amenable number.

20121013023233 is a deficient number, since it is larger than the sum of its proper divisors (283846244863).

20121013023233 is an equidigital number, since it uses as much as digits as its factorization.

20121013023233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6273615.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20121013023233 its reverse (33232031012102), we get a palindrome (53353044035335).

The spelling of 20121013023233 in words is "twenty trillion, one hundred twenty-one billion, thirteen million, twenty-three thousand, two hundred thirty-three".