7321212867 has 16 divisors (see below), whose sum is σ = 10606853120. Its totient is φ = 4474764000.

The previous prime is 7321212859. The next prime is 7321212883. The reversal of 7321212867 is 7682121237.

It is not a de Polignac number, because 7321212867 - 2³ = 7321212859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7321212167) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2069884 + ... + 2073417.

It is an arithmetic number, because the mean of its divisors is an integer number (662928320).

Almost surely, 2^7321212867 is an apocalyptic number.

7321212867 is a deficient number, since it is larger than the sum of its proper divisors (3285640253).

7321212867 is a wasteful number, since it uses less digits than its factorization.

7321212867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4143354.

The product of its digits is 56448, while the sum is 39.

The square root of 7321212867 is about 85564.0863154630. The cubic root of 7321212867 is about 1941.7546094015.

The spelling of 7321212867 in words is "seven billion, three hundred twenty-one million, two hundred twelve thousand, eight hundred sixty-seven".