210112012001 has 4 divisors (see below), whose sum is σ = 210714052500. Its totient is φ = 209509971504.

The previous prime is 210112011983. The next prime is 210112012003. The reversal of 210112012001 is 100210211012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 121650976225 + 88461035776 = 348785^2 + 297424^2 .

It is a cyclic number.

It is not a de Polignac number, because 210112012001 - 2²² = 210107817697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210112012003) 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, 301019726 + ... + 301020423.

It is an arithmetic number, because the mean of its divisors is an integer number (52678513125).

Almost surely, 2^210112012001 is an apocalyptic number.

It is an amenable number.

210112012001 is a deficient number, since it is larger than the sum of its proper divisors (602040499).

210112012001 is an equidigital number, since it uses as much as digits as its factorization.

210112012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602040498.

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

Adding to 210112012001 its reverse (100210211012), we get a palindrome (310322223013).

The spelling of 210112012001 in words is "two hundred ten billion, one hundred twelve million, twelve thousand, one".