12101232351533 has 12 divisors (see below), whose sum is σ = 13874507266068. Its totient is φ = 10513287832320.

The previous prime is 12101232351491. The next prime is 12101232351569. The reversal of 12101232351533 is 33515323210121.

It can be written as a sum of positive squares in 6 ways, for example, as 15472125769 + 12085760225764 = 124387^2 + 3476458^2 .

It is not a de Polignac number, because 12101232351533 - 2⁶ = 12101232351469 is a prime.

It is a super-3 number, since 3×12101232351533³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12101232351533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101232350533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2106024338 + ... + 2106030083.

It is an arithmetic number, because the mean of its divisors is an integer number (1156208938839).

Almost surely, 2^{12101232351533} is an apocalyptic number.

12101232351533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12101232351533 is a deficient number, since it is larger than the sum of its proper divisors (1773274914535).

12101232351533 is a wasteful number, since it uses less digits than its factorization.

12101232351533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212054464 (or 4212054451 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 12101232351533 its reverse (33515323210121), we get a palindrome (45616555561654).

The spelling of 12101232351533 in words is "twelve trillion, one hundred one billion, two hundred thirty-two million, three hundred fifty-one thousand, five hundred thirty-three".