70120002200721 has 16 divisors (see below), whose sum is σ = 102222962392320. Its totient is φ = 42401041064720.

The previous prime is 70120002200687. The next prime is 70120002200741. The reversal of 70120002200721 is 12700220002107.

70120002200721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 70120002200721 - 2¹⁵ = 70120002167953 is a prime.

It is a super-3 number, since 3×70120002200721³ (a number of 43 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70120002200691 and 70120002200700.

It is not an unprimeable number, because it can be changed into a prime (70120002200741) 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 15 ways as a sum of consecutive naturals, for example, 2398234311 + ... + 2398263548.

It is an arithmetic number, because the mean of its divisors is an integer number (6388935149520).

Almost surely, 2^{70120002200721} is an apocalyptic number.

It is an amenable number.

70120002200721 is a deficient number, since it is larger than the sum of its proper divisors (32102960191599).

70120002200721 is a wasteful number, since it uses less digits than its factorization.

70120002200721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4796498316.

The product of its (nonzero) digits is 784, while the sum is 24.

Adding to 70120002200721 its reverse (12700220002107), we get a palindrome (82820222202828).

The spelling of 70120002200721 in words is "seventy trillion, one hundred twenty billion, two million, two hundred thousand, seven hundred twenty-one".