12010022001 has 12 divisors (see below), whose sum is σ = 17716912512. Its totient is φ = 7836326136.

The previous prime is 12010021997. The next prime is 12010022021. The reversal of 12010022001 is 10022001021.

It is not a de Polignac number, because 12010022001 - 2² = 12010021997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12010022021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14195821 + ... + 14196666.

It is an arithmetic number, because the mean of its divisors is an integer number (1476409376).

Almost surely, 2^12010022001 is an apocalyptic number.

It is an amenable number.

12010022001 is a deficient number, since it is larger than the sum of its proper divisors (5706890511).

12010022001 is a wasteful number, since it uses less digits than its factorization.

12010022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28392540 (or 28392537 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12010022001 its reverse (10022001021), we get a palindrome (22032023022).

The spelling of 12010022001 in words is "twelve billion, ten million, twenty-two thousand, one".