33196128213 has 4 divisors (see below), whose sum is σ = 44261504288. Its totient is φ = 22130752140.

The previous prime is 33196128211. The next prime is 33196128227. The reversal of 33196128213 is 31282169133.

It is a happy number.

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 not a de Polignac number, because 33196128213 - 2¹ = 33196128211 is a prime.

It is a super-2 number, since 2×33196128213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33196128211) 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, 5532688033 + ... + 5532688038.

It is an arithmetic number, because the mean of its divisors is an integer number (11065376072).

Almost surely, 2^33196128213 is an apocalyptic number.

It is an amenable number.

33196128213 is a deficient number, since it is larger than the sum of its proper divisors (11065376075).

33196128213 is a wasteful number, since it uses less digits than its factorization.

33196128213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11065376074.

The product of its digits is 46656, while the sum is 39.

The spelling of 33196128213 in words is "thirty-three billion, one hundred ninety-six million, one hundred twenty-eight thousand, two hundred thirteen".