3212215210129 has 2 divisors, whose sum is σ = 3212215210130. Its totient is φ = 3212215210128.

The previous prime is 3212215210121. The next prime is 3212215210229. The reversal of 3212215210129 is 9210125122123.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3131933654529 + 80281555600 = 1769727^2 + 283340^2 .

It is a cyclic number.

It is not a de Polignac number, because 3212215210129 - 2³ = 3212215210121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3212215210129.

It is not a weakly prime, because it can be changed into another prime (3212215210121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606107605064 + 1606107605065.

It is an arithmetic number, because the mean of its divisors is an integer number (1606107605065).

Almost surely, 2^{3212215210129} is an apocalyptic number.

It is an amenable number.

3212215210129 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212215210129 is an equidigital number, since it uses as much as digits as its factorization.

3212215210129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 3212215210129 in words is "three trillion, two hundred twelve billion, two hundred fifteen million, two hundred ten thousand, one hundred twenty-nine".