12102012101 has 8 divisors (see below), whose sum is σ = 12304384344. Its totient is φ = 11899768320.

The previous prime is 12102012073. The next prime is 12102012113. The reversal of 12102012101 is 10121020121.

It can be written as a sum of positive squares in 4 ways, for example, as 95550625 + 12006461476 = 9775^2 + 109574^2 .

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-12102012101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102012121) 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, 168221 + ... + 229133.

It is an arithmetic number, because the mean of its divisors is an integer number (1538048043).

Almost surely, 2^12102012101 is an apocalyptic number.

It is an amenable number.

12102012101 is a deficient number, since it is larger than the sum of its proper divisors (202372243).

12102012101 is an equidigital number, since it uses as much as digits as its factorization.

12102012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64231.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12102012101 its reverse (10121020121), we get a palindrome (22223032222).

The spelling of 12102012101 in words is "twelve billion, one hundred two million, twelve thousand, one hundred one".