212140002004 has 72 divisors (see below), whose sum is σ = 453152024640. Its totient is φ = 86478061824.

The previous prime is 212140001993. The next prime is 212140002043. The reversal of 212140002004 is 400200041212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 675484 + ... + 938380.

It is an arithmetic number, because the mean of its divisors is an integer number (6293778120).

Almost surely, 2^212140002004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212140002004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226576012320).

212140002004 is an abundant number, since it is smaller than the sum of its proper divisors (241012022636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212140002004 is a wasteful number, since it uses less digits than its factorization.

212140002004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263117 (or 263108 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 212140002004 its reverse (400200041212), we get a palindrome (612340043216).

The spelling of 212140002004 in words is "two hundred twelve billion, one hundred forty million, two thousand, four".