10212001 has 4 divisors (see below), whose sum is σ = 10355904. Its totient is φ = 10068100.

The previous prime is 10211983. The next prime is 10212011. The reversal of 10212001 is 10021201.

10212001 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10021201 = 257 ⋅38993.

It is a cyclic number.

It is not a de Polignac number, because 10212001 - 2⁵ = 10211969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212011) 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, 71845 + ... + 71986.

It is an arithmetic number, because the mean of its divisors is an integer number (2588976).

Almost surely, 2^10212001 is an apocalyptic number.

It is an amenable number.

10212001 is a deficient number, since it is larger than the sum of its proper divisors (143903).

10212001 is an equidigital number, since it uses as much as digits as its factorization.

10212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143902.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 10212001 is about 3195.6221616455. The cubic root of 10212001 is about 216.9553094487.

Adding to 10212001 its reverse (10021201), we get a palindrome (20233202).

It can be divided in two parts, 1021200 and 1, that added together give a palindrome (1021201).

The spelling of 10212001 in words is "ten million, two hundred twelve thousand, one".