210012120101 has 16 divisors (see below), whose sum is σ = 256787909760. Its totient is φ = 167740476480.

The previous prime is 210012120037. The next prime is 210012120121. The reversal of 210012120101 is 101021210012.

It is a cyclic number.

It is not a de Polignac number, because 210012120101 - 2⁶ = 210012120037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210012120121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12934826 + ... + 12951051.

It is an arithmetic number, because the mean of its divisors is an integer number (16049244360).

Almost surely, 2^210012120101 is an apocalyptic number.

It is an amenable number.

210012120101 is a deficient number, since it is larger than the sum of its proper divisors (46775789659).

210012120101 is a wasteful number, since it uses less digits than its factorization.

210012120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25885964.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210012120101 its reverse (101021210012), we get a palindrome (311033330113).

The spelling of 210012120101 in words is "two hundred ten billion, twelve million, one hundred twenty thousand, one hundred one".