12012331001 has 8 divisors (see below), whose sum is σ = 13172261664. Its totient is φ = 10863717120.

The previous prime is 12012330989. The next prime is 12012331013. The reversal of 12012331001 is 10013321021.

It is an interprime number because it is at equal distance from previous prime (12012330989) and next prime (12012331013).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12012331001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012331061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2826971 + ... + 2831216.

It is an arithmetic number, because the mean of its divisors is an integer number (1646532708).

Almost surely, 2^12012331001 is an apocalyptic number.

12012331001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12012331001 is a deficient number, since it is larger than the sum of its proper divisors (1159930663).

12012331001 is a wasteful number, since it uses less digits than its factorization.

12012331001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658391.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12012331001 its reverse (10013321021), we get a palindrome (22025652022).

The spelling of 12012331001 in words is "twelve billion, twelve million, three hundred thirty-one thousand, one".