2123412001 has 4 divisors (see below), whose sum is σ = 2123572500. Its totient is φ = 2123251504.

The previous prime is 2123411959. The next prime is 2123412019. The reversal of 2123412001 is 1002143212.

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 2020592401 + 102819600 = 44951^2 + 10140^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123412001 - 2²¹ = 2121314849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123412061) 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, 58426 + ... + 87523.

It is an arithmetic number, because the mean of its divisors is an integer number (530893125).

Almost surely, 2^2123412001 is an apocalyptic number.

It is an amenable number.

2123412001 is a deficient number, since it is larger than the sum of its proper divisors (160499).

2123412001 is a wasteful number, since it uses less digits than its factorization.

2123412001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160498.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2123412001 is about 46080.4947998608. The cubic root of 2123412001 is about 1285.3204651227.

Adding to 2123412001 its reverse (1002143212), we get a palindrome (3125555213).

The spelling of 2123412001 in words is "two billion, one hundred twenty-three million, four hundred twelve thousand, one".