12071202026 has 16 divisors (see below), whose sum is σ = 19501456968. Its totient is φ = 5570803200.

The previous prime is 12071202023. The next prime is 12071202041. The reversal of 12071202026 is 62020217021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11979521401 + 91680625 = 109451^2 + 9575^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12071201992 and 12071202010.

It is not an unprimeable number, because it can be changed into a prime (12071202023) 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, 485006 + ... + 509286.

Almost surely, 2^12071202026 is an apocalyptic number.

12071202026 is a deficient number, since it is larger than the sum of its proper divisors (7430254942).

12071202026 is a wasteful number, since it uses less digits than its factorization.

12071202026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43417.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 12071202026 its reverse (62020217021), we get a palindrome (74091419047).

The spelling of 12071202026 in words is "twelve billion, seventy-one million, two hundred two thousand, twenty-six".