32030212121 has 2 divisors, whose sum is σ = 32030212122. Its totient is φ = 32030212120.

The previous prime is 32030212069. The next prime is 32030212259. The reversal of 32030212121 is 12121203023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25547546896 + 6482665225 = 159836^2 + 80515^2 .

It is an emirp because it is prime and its reverse (12121203023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32030212121 - 2¹⁸ = 32029949977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32030212121.

It is not a weakly prime, because it can be changed into another prime (32030212021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16015106060 + 16015106061.

It is an arithmetic number, because the mean of its divisors is an integer number (16015106061).

Almost surely, 2^32030212121 is an apocalyptic number.

It is an amenable number.

32030212121 is a deficient number, since it is larger than the sum of its proper divisors (1).

32030212121 is an equidigital number, since it uses as much as digits as its factorization.

32030212121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 32030212121 its reverse (12121203023), we get a palindrome (44151415144).

The spelling of 32030212121 in words is "thirty-two billion, thirty million, two hundred twelve thousand, one hundred twenty-one".