12101231033 has 4 divisors (see below), whose sum is σ = 12103725348. Its totient is φ = 12098736720.

The previous prime is 12101231029. The next prime is 12101231039. The reversal of 12101231033 is 33013210121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6023001664 + 6078229369 = 77608^2 + 77963^2 .

It is a cyclic number.

It is not a de Polignac number, because 12101231033 - 2² = 12101231029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101231039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1239866 + ... + 1249587.

It is an arithmetic number, because the mean of its divisors is an integer number (3025931337).

Almost surely, 2^12101231033 is an apocalyptic number.

It is an amenable number.

12101231033 is a deficient number, since it is larger than the sum of its proper divisors (2494315).

12101231033 is an equidigital number, since it uses as much as digits as its factorization.

12101231033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494314.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12101231033 its reverse (33013210121), we get a palindrome (45114441154).

The spelling of 12101231033 in words is "twelve billion, one hundred one million, two hundred thirty-one thousand, thirty-three".