3213255345121 has 8 divisors (see below), whose sum is σ = 3216990249000. Its totient is φ = 3209521036800.

The previous prime is 3213255345103. The next prime is 3213255345169. The reversal of 3213255345121 is 1215435523123.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 307375992225 + 2905879352896 = 554415^2 + 1704664^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3213255345121 - 2⁷ = 3213255344993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3213255345101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11144071 + ... + 11428771.

It is an arithmetic number, because the mean of its divisors is an integer number (402123781125).

Almost surely, 2^{3213255345121} is an apocalyptic number.

It is an amenable number.

3213255345121 is a deficient number, since it is larger than the sum of its proper divisors (3734903879).

3213255345121 is a wasteful number, since it uses less digits than its factorization.

3213255345121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297779.

The product of its digits is 108000, while the sum is 37.

The spelling of 3213255345121 in words is "three trillion, two hundred thirteen billion, two hundred fifty-five million, three hundred forty-five thousand, one hundred twenty-one".