8912230121 has 4 divisors (see below), whose sum is σ = 8980262544. Its totient is φ = 8844197700.

The previous prime is 8912230097. The next prime is 8912230133. The reversal of 8912230121 is 1210322198.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8912230121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8912235121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34016015 + ... + 34016276.

It is an arithmetic number, because the mean of its divisors is an integer number (2245065636).

Almost surely, 2^8912230121 is an apocalyptic number.

It is an amenable number.

8912230121 is a deficient number, since it is larger than the sum of its proper divisors (68032423).

8912230121 is a wasteful number, since it uses less digits than its factorization.

8912230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68032422.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 8912230121 is about 94404.6085792426. The cubic root of 8912230121 is about 2073.2999184352.

The spelling of 8912230121 in words is "eight billion, nine hundred twelve million, two hundred thirty thousand, one hundred twenty-one".