9151398536212 has 12 divisors (see below), whose sum is σ = 16018193965396. Its totient is φ = 4574771688960.

The previous prime is 9151398536209. The next prime is 9151398536221. The reversal of 9151398536212 is 2126358931519.

It can be written as a sum of positive squares in 2 ways, for example, as 4166154525456 + 4985244010756 = 2041116^2 + 2232766^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231872589 + ... + 231912052.

Almost surely, 2^{9151398536212} is an apocalyptic number.

It is an amenable number.

9151398536212 is a deficient number, since it is larger than the sum of its proper divisors (6866795429184).

9151398536212 is a wasteful number, since it uses less digits than its factorization.

9151398536212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463789578 (or 463789576 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 55.

The spelling of 9151398536212 in words is "nine trillion, one hundred fifty-one billion, three hundred ninety-eight million, five hundred thirty-six thousand, two hundred twelve".