12231109473 has 16 divisors (see below), whose sum is σ = 17793161472. Its totient is φ = 7411770000.

The previous prime is 12231109469. The next prime is 12231109477. The reversal of 12231109473 is 37490113221.

It is an interprime number because it is at equal distance from previous prime (12231109469) and next prime (12231109477).

It is not a de Polignac number, because 12231109473 - 2² = 12231109469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12231109477) 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, 266898 + ... + 309348.

It is an arithmetic number, because the mean of its divisors is an integer number (1112072592).

Almost surely, 2^12231109473 is an apocalyptic number.

It is an amenable number.

12231109473 is a deficient number, since it is larger than the sum of its proper divisors (5562051999).

12231109473 is a wasteful number, since it uses less digits than its factorization.

12231109473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51196.

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 12231109473 in words is "twelve billion, two hundred thirty-one million, one hundred nine thousand, four hundred seventy-three".