12101201026 has 8 divisors (see below), whose sum is σ = 18777725820. Its totient is φ = 5841959088.

The previous prime is 12101201003. The next prime is 12101201027. The reversal of 12101201026 is 62010210121.

It can be written as a sum of positive squares in 2 ways, for example, as 12066802801 + 34398225 = 109849^2 + 5865^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12101201027) 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, 104320641 + ... + 104320756.

Almost surely, 2^12101201026 is an apocalyptic number.

12101201026 is a deficient number, since it is larger than the sum of its proper divisors (6676524794).

12101201026 is a wasteful number, since it uses less digits than its factorization.

12101201026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208641428.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12101201026 its reverse (62010210121), we get a palindrome (74111411147).

The spelling of 12101201026 in words is "twelve billion, one hundred one million, two hundred one thousand, twenty-six".