12533121535 has 8 divisors (see below), whose sum is σ = 16406995536. Its totient is φ = 9114997440.

The previous prime is 12533121529. The next prime is 12533121541. The reversal of 12533121535 is 53512133521.

It is an interprime number because it is at equal distance from previous prime (12533121529) and next prime (12533121541).

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

It is not a de Polignac number, because 12533121535 - 2¹³ = 12533113343 is a prime.

It is a super-2 number, since 2×12533121535² (a number of 21 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 = 12533121497 and 12533121506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113937414 + ... + 113937523.

It is an arithmetic number, because the mean of its divisors is an integer number (2050874442).

Almost surely, 2^12533121535 is an apocalyptic number.

12533121535 is a deficient number, since it is larger than the sum of its proper divisors (3873874001).

12533121535 is a wasteful number, since it uses less digits than its factorization.

12533121535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227874953.

The product of its digits is 13500, while the sum is 31.

The spelling of 12533121535 in words is "twelve billion, five hundred thirty-three million, one hundred twenty-one thousand, five hundred thirty-five".