3213012442121 has 4 divisors (see below), whose sum is σ = 3213016674000. Its totient is φ = 3213008210244.

The previous prime is 3213012442117. The next prime is 3213012442127. The reversal of 3213012442121 is 1212442103123.

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 a cyclic number.

It is not a de Polignac number, because 3213012442121 - 2² = 3213012442117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3213012442127) 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, 628571 + ... + 2611728.

It is an arithmetic number, because the mean of its divisors is an integer number (803254168500).

Almost surely, 2^{3213012442121} is an apocalyptic number.

It is an amenable number.

3213012442121 is a deficient number, since it is larger than the sum of its proper divisors (4231879).

3213012442121 is an equidigital number, since it uses as much as digits as its factorization.

3213012442121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4231878.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 3213012442121 its reverse (1212442103123), we get a palindrome (4425454545244).

The spelling of 3213012442121 in words is "three trillion, two hundred thirteen billion, twelve million, four hundred forty-two thousand, one hundred twenty-one".