2121606012007 has 8 divisors (see below), whose sum is σ = 2154010108320. Its totient is φ = 2089271980320.

The previous prime is 2121606011983. The next prime is 2121606012079. The reversal of 2121606012007 is 7002106061212.

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

It is not a de Polignac number, because 2121606012007 - 2¹⁵ = 2121605979239 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 (2121606012607) 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, 17455132 + ... + 17576257.

It is an arithmetic number, because the mean of its divisors is an integer number (269251263540).

Almost surely, 2^{2121606012007} is an apocalyptic number.

2121606012007 is a deficient number, since it is larger than the sum of its proper divisors (32404096313).

2121606012007 is an equidigital number, since it uses as much as digits as its factorization.

2121606012007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35032313.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 2121606012007 in words is "two trillion, one hundred twenty-one billion, six hundred six million, twelve thousand, seven".