9210000111012 has 72 divisors (see below), whose sum is σ = 24507253767360. Its totient is φ = 2908288981440.

The previous prime is 9210000110989. The next prime is 9210000111017. The reversal of 9210000111012 is 2101110000129.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (9210000111017) 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, 15349398 + ... + 15938130.

Almost surely, 2^{9210000111012} is an apocalyptic number.

It is an amenable number.

9210000111012 is an abundant number, since it is smaller than the sum of its proper divisors (15297253656348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9210000111012 is a wasteful number, since it uses less digits than its factorization.

9210000111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611633 (or 611628 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 9210000111012 in words is "nine trillion, two hundred ten billion, one hundred eleven thousand, twelve".