8132121033 has 4 divisors (see below), whose sum is σ = 10842828048. Its totient is φ = 5421414020.

The previous prime is 8132121013. The next prime is 8132121061. The reversal of 8132121033 is 3301212318.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8132121033 - 2²⁰ = 8131072457 is a prime.

It is a super-2 number, since 2×8132121033² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8132120994 and 8132121012.

It is not an unprimeable number, because it can be changed into a prime (8132121013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355353503 + ... + 1355353508.

It is an arithmetic number, because the mean of its divisors is an integer number (2710707012).

Almost surely, 2^8132121033 is an apocalyptic number.

It is an amenable number.

8132121033 is a deficient number, since it is larger than the sum of its proper divisors (2710707015).

8132121033 is a wasteful number, since it uses less digits than its factorization.

8132121033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710707014.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 8132121033 is about 90178.2736195365. The cubic root of 8132121033 is about 2010.9500251462.

The spelling of 8132121033 in words is "eight billion, one hundred thirty-two million, one hundred twenty-one thousand, thirty-three".