12232105461 has 16 divisors (see below), whose sum is σ = 18507206400. Its totient is φ = 7981231104.

The previous prime is 12232105451. The next prime is 12232105469. The reversal of 12232105461 is 16450123221.

It is not a de Polignac number, because 12232105461 - 2⁶ = 12232105397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232105469) 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, 4818316 + ... + 4820853.

It is an arithmetic number, because the mean of its divisors is an integer number (1156700400).

Almost surely, 2^12232105461 is an apocalyptic number.

It is an amenable number.

12232105461 is a deficient number, since it is larger than the sum of its proper divisors (6275100939).

12232105461 is an equidigital number, since it uses as much as digits as its factorization.

12232105461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9639225 (or 9639219 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 12232105461 its reverse (16450123221), we get a palindrome (28682228682).

The spelling of 12232105461 in words is "twelve billion, two hundred thirty-two million, one hundred five thousand, four hundred sixty-one".