235216212001 has 2 divisors, whose sum is σ = 235216212002. Its totient is φ = 235216212000.

The previous prime is 235216211999. The next prime is 235216212013. The reversal of 235216212001 is 100212612532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119871750625 + 115344461376 = 346225^2 + 339624^2 .

It is a cyclic number.

It is not a de Polignac number, because 235216212001 - 2¹ = 235216211999 is a prime.

Together with 235216211999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (235216212031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117608106000 + 117608106001.

It is an arithmetic number, because the mean of its divisors is an integer number (117608106001).

Almost surely, 2^235216212001 is an apocalyptic number.

It is an amenable number.

235216212001 is a deficient number, since it is larger than the sum of its proper divisors (1).

235216212001 is an equidigital number, since it uses as much as digits as its factorization.

235216212001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 235216212001 its reverse (100212612532), we get a palindrome (335428824533).

The spelling of 235216212001 in words is "two hundred thirty-five billion, two hundred sixteen million, two hundred twelve thousand, one".