12051232101 has 12 divisors (see below), whose sum is σ = 17504585280. Its totient is φ = 7989270120.

The previous prime is 12051232091. The next prime is 12051232111. The reversal of 12051232101 is 10123215021.

12051232101 is a `hidden beast` number, since 1 + 20 + 512 + 32 + 101 = 666.

It is an interprime number because it is at equal distance from previous prime (12051232091) and next prime (12051232111).

It is not a de Polignac number, because 12051232101 - 2¹⁴ = 12051215717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12051232111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3738685 + ... + 3741906.

It is an arithmetic number, because the mean of its divisors is an integer number (1458715440).

Almost surely, 2^12051232101 is an apocalyptic number.

It is an amenable number.

12051232101 is a deficient number, since it is larger than the sum of its proper divisors (5453353179).

12051232101 is a wasteful number, since it uses less digits than its factorization.

12051232101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7480776 (or 7480773 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 12051232101 its reverse (10123215021), we get a palindrome (22174447122).

The spelling of 12051232101 in words is "twelve billion, fifty-one million, two hundred thirty-two thousand, one hundred one".