7121003140847 has 24 divisors (see below), whose sum is σ = 7633023690240. Its totient is φ = 6636097510560.

The previous prime is 7121003140843. The next prime is 7121003140859. The reversal of 7121003140847 is 7480413001217.

It is not a de Polignac number, because 7121003140847 - 2² = 7121003140843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7121003140847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7121003140843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9520568 + ... + 10241250.

It is an arithmetic number, because the mean of its divisors is an integer number (318042653760).

Almost surely, 2^{7121003140847} is an apocalyptic number.

7121003140847 is a deficient number, since it is larger than the sum of its proper divisors (512020549393).

7121003140847 is a wasteful number, since it uses less digits than its factorization.

7121003140847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721151 (or 721122 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 7121003140847 in words is "seven trillion, one hundred twenty-one billion, three million, one hundred forty thousand, eight hundred forty-seven".