3212105826021 has 16 divisors (see below), whose sum is σ = 4291428879936. Its totient is φ = 2137095685376.

The previous prime is 3212105825987. The next prime is 3212105826037. The reversal of 3212105826021 is 1206285012123.

It is a cyclic number.

It is not a de Polignac number, because 3212105826021 - 2¹⁴ = 3212105809637 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212105826091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5191831 + ... + 5777483.

It is an arithmetic number, because the mean of its divisors is an integer number (268214304996).

Almost surely, 2^{3212105826021} is an apocalyptic number.

It is an amenable number.

3212105826021 is a deficient number, since it is larger than the sum of its proper divisors (1079323053915).

3212105826021 is a wasteful number, since it uses less digits than its factorization.

3212105826021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589332.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 3212105826021 in words is "three trillion, two hundred twelve billion, one hundred five million, eight hundred twenty-six thousand, twenty-one".