3212120103 has 4 divisors (see below), whose sum is σ = 4282826808. Its totient is φ = 2141413400.

The previous prime is 3212120089. The next prime is 3212120117. The reversal of 3212120103 is 3010212123.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3212120089) and next prime (3212120117).

It is a cyclic number.

It is not a de Polignac number, because 3212120103 - 2¹² = 3212116007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212120903) 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, 535353348 + ... + 535353353.

It is an arithmetic number, because the mean of its divisors is an integer number (1070706702).

Almost surely, 2^3212120103 is an apocalyptic number.

3212120103 is a deficient number, since it is larger than the sum of its proper divisors (1070706705).

3212120103 is a wasteful number, since it uses less digits than its factorization.

3212120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070706704.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3212120103 is about 56675.5688370218. The cubic root of 3212120103 is about 1475.4707072633.

Adding to 3212120103 its reverse (3010212123), we get a palindrome (6222332226).

The spelling of 3212120103 in words is "three billion, two hundred twelve million, one hundred twenty thousand, one hundred three".