1210002120006 has 8 divisors (see below), whose sum is σ = 2420004240024. Its totient is φ = 403334040000.

The previous prime is 1210002120001. The next prime is 1210002120053. The reversal of 1210002120006 is 6000212000121.

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

1210002120006 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210002120001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100833509995 + ... + 100833510006.

It is an arithmetic number, because the mean of its divisors is an integer number (302500530003).

Almost surely, 2^{1210002120006} is an apocalyptic number.

1210002120006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1210002120006 is a wasteful number, since it uses less digits than its factorization.

1210002120006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201667020006.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1210002120006 its reverse (6000212000121), we get a palindrome (7210214120127).

The spelling of 1210002120006 in words is "one trillion, two hundred ten billion, two million, one hundred twenty thousand, six".