9091939212010 has 32 divisors (see below), whose sum is σ = 17108599565952. Its totient is φ = 3472224909120.

The previous prime is 9091939211939. The next prime is 9091939212011. The reversal of 9091939212010 is 102129391909.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (9091939212011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36409924 + ... + 36658783.

It is an arithmetic number, because the mean of its divisors is an integer number (534643736436).

Almost surely, 2^{9091939212010} is an apocalyptic number.

9091939212010 is a deficient number, since it is larger than the sum of its proper divisors (8016660353942).

9091939212010 is a wasteful number, since it uses less digits than its factorization.

9091939212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73069278.

The product of its (nonzero) digits is 78732, while the sum is 46.

The spelling of 9091939212010 in words is "nine trillion, ninety-one billion, nine hundred thirty-nine million, two hundred twelve thousand, ten".