3213200129 has 4 divisors (see below), whose sum is σ = 3213313584. Its totient is φ = 3213086676.

The previous prime is 3213200113. The next prime is 3213200131. The reversal of 3213200129 is 9210023123.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3213200129 - 2⁴ = 3213200113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3213200729) 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, 25094 + ... + 84000.

It is an arithmetic number, because the mean of its divisors is an integer number (803328396).

Almost surely, 2^3213200129 is an apocalyptic number.

It is an amenable number.

3213200129 is a deficient number, since it is larger than the sum of its proper divisors (113455).

3213200129 is an equidigital number, since it uses as much as digits as its factorization.

3213200129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113454.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 3213200129 is about 56685.0961805658. The cubic root of 3213200129 is about 1475.6360568462.

The spelling of 3213200129 in words is "three billion, two hundred thirteen million, two hundred thousand, one hundred twenty-nine".