9144306615212 has 24 divisors (see below), whose sum is σ = 16010946299040. Its totient is φ = 4569751088640.

The previous prime is 9144306615181. The next prime is 9144306615217. The reversal of 9144306615212 is 2125166034419.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9144306615217) 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, 69921788 + ... + 70052444.

It is an arithmetic number, because the mean of its divisors is an integer number (667122762460).

Almost surely, 2^{9144306615212} is an apocalyptic number.

It is an amenable number.

9144306615212 is a deficient number, since it is larger than the sum of its proper divisors (6866639683828).

9144306615212 is a wasteful number, since it uses less digits than its factorization.

9144306615212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139721 (or 139719 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 9144306615212 in words is "nine trillion, one hundred forty-four billion, three hundred six million, six hundred fifteen thousand, two hundred twelve".