3120012100213 has 4 divisors (see below), whose sum is σ = 3150903309228. Its totient is φ = 3089120891200.

The previous prime is 3120012100199. The next prime is 3120012100217.

3120012100213 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1612600293924 + 1507411806289 = 1269882^2 + 1227767^2 .

It is a cyclic number.

It is not a de Polignac number, because 3120012100213 - 2⁴¹ = 920988844661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120012100217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15445604356 + ... + 15445604557.

It is an arithmetic number, because the mean of its divisors is an integer number (787725827307).

Almost surely, 2^{3120012100213} is an apocalyptic number.

It is an amenable number.

3120012100213 is a deficient number, since it is larger than the sum of its proper divisors (30891209015).

3120012100213 is a wasteful number, since it uses less digits than its factorization.

3120012100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30891209014.

The product of its (nonzero) digits is 72, while the sum is 16.

The spelling of 3120012100213 in words is "three trillion, one hundred twenty billion, twelve million, one hundred thousand, two hundred thirteen".