1210010001 has 16 divisors (see below), whose sum is σ = 1658811264. Its totient is φ = 783990144.

The previous prime is 1210009987. The next prime is 1210010027. The reversal of 1210010001 is 1000100121.

It is not a de Polignac number, because 1210010001 - 2¹⁸ = 1209747857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210010101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101701 + ... + 112973.

It is an arithmetic number, because the mean of its divisors is an integer number (103675704).

Almost surely, 2^1210010001 is an apocalyptic number.

It is an amenable number.

1210010001 is a deficient number, since it is larger than the sum of its proper divisors (448801263).

1210010001 is a wasteful number, since it uses less digits than its factorization.

1210010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12280.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 1210010001 is about 34785.1980158228. The cubic root of 1210010001 is about 1065.6051725954.

Adding to 1210010001 its reverse (1000100121), we get a palindrome (2210110122).

The spelling of 1210010001 in words is "one billion, two hundred ten million, ten thousand, one".