212001007 has 8 divisors (see below), whose sum is σ = 218607984. Its totient is φ = 205490688.

The previous prime is 212001001. The next prime is 212001017. The reversal of 212001007 is 700100212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212001007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001001) 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, 19698 + ... + 28495.

It is an arithmetic number, because the mean of its divisors is an integer number (27325998).

Almost surely, 2^212001007 is an apocalyptic number.

212001007 is a deficient number, since it is larger than the sum of its proper divisors (6606977).

212001007 is an equidigital number, since it uses as much as digits as its factorization.

212001007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48329.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 212001007 is about 14560.2543590419. The cubic root of 212001007 is about 596.2741398721.

Adding to 212001007 its reverse (700100212), we get a palindrome (912101219).

The spelling of 212001007 in words is "two hundred twelve million, one thousand, seven".