210012322001 has 4 divisors (see below), whose sum is σ = 210146345472. Its totient is φ = 209878298532.

The previous prime is 210012321997. The next prime is 210012322007. The reversal of 210012322001 is 100223210012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210012322001 - 2² = 210012321997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (210012322007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67009385 + ... + 67012518.

It is an arithmetic number, because the mean of its divisors is an integer number (52536586368).

Almost surely, 2^210012322001 is an apocalyptic number.

It is an amenable number.

210012322001 is a deficient number, since it is larger than the sum of its proper divisors (134023471).

210012322001 is a wasteful number, since it uses less digits than its factorization.

210012322001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134023470.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 210012322001 its reverse (100223210012), we get a palindrome (310235532013).

The spelling of 210012322001 in words is "two hundred ten billion, twelve million, three hundred twenty-two thousand, one".