3212352103405 has 4 divisors (see below), whose sum is σ = 3854822524092. Its totient is φ = 2569881682720.

The previous prime is 3212352103313. The next prime is 3212352103421. The reversal of 3212352103405 is 5043012532123.

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 338279497924 + 2874072605481 = 581618^2 + 1695309^2 .

It is not a de Polignac number, because 3212352103405 - 2⁹ = 3212352102893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321235210336 + ... + 321235210345.

It is an arithmetic number, because the mean of its divisors is an integer number (963705631023).

Almost surely, 2^{3212352103405} is an apocalyptic number.

It is an amenable number.

3212352103405 is a deficient number, since it is larger than the sum of its proper divisors (642470420687).

3212352103405 is an equidigital number, since it uses as much as digits as its factorization.

3212352103405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642470420686.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 3212352103405 its reverse (5043012532123), we get a palindrome (8255364635528).

The spelling of 3212352103405 in words is "three trillion, two hundred twelve billion, three hundred fifty-two million, one hundred three thousand, four hundred five".