1000212001 has 8 divisors (see below), whose sum is σ = 1047170880. Its totient is φ = 954084432.

The previous prime is 1000211999. The next prime is 1000212007. The reversal of 1000212001 is 1002120001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000212001 - 2¹ = 1000211999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000212007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205365 + ... + 210178.

It is an arithmetic number, because the mean of its divisors is an integer number (130896360).

Almost surely, 2^1000212001 is an apocalyptic number.

It is an amenable number.

1000212001 is a deficient number, since it is larger than the sum of its proper divisors (46958879).

1000212001 is an equidigital number, since it uses as much as digits as its factorization.

1000212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415655.

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

The square root of 1000212001 is about 31626.1284541754. The cubic root of 1000212001 is about 1000.0706620068.

Adding to 1000212001 its reverse (1002120001), we get a palindrome (2002332002).

The spelling of 1000212001 in words is "one billion, two hundred twelve thousand, one".