12000022007 has 4 divisors (see below), whose sum is σ = 12017747976. Its totient is φ = 11982296040.

The previous prime is 12000021961. The next prime is 12000022031. The reversal of 12000022007 is 70022000021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70022000021 = 113 ⋅619663717.

It is a cyclic number.

It is not a de Polignac number, because 12000022007 - 2²² = 11995827703 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000021982 and 12000022000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000022207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8861969 + ... + 8863322.

It is an arithmetic number, because the mean of its divisors is an integer number (3004436994).

Almost surely, 2^12000022007 is an apocalyptic number.

12000022007 is a deficient number, since it is larger than the sum of its proper divisors (17725969).

12000022007 is an equidigital number, since it uses as much as digits as its factorization.

12000022007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17725968.

The product of its (nonzero) digits is 56, while the sum is 14.

Adding to 12000022007 its reverse (70022000021), we get a palindrome (82022022028).

The spelling of 12000022007 in words is "twelve billion, twenty-two thousand, seven".