12102101002 has 8 divisors (see below), whose sum is σ = 18153868356. Its totient is φ = 6050811552.

The previous prime is 12102100999. The next prime is 12102101009. The reversal of 12102101002 is 20010120121.

It can be written as a sum of positive squares in 2 ways, for example, as 11854636641 + 247464361 = 108879^2 + 15731^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12102101002.

It is not an unprimeable number, because it can be changed into a prime (12102101009) 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, 47493 + ... + 162664.

Almost surely, 2^12102101002 is an apocalyptic number.

12102101002 is a deficient number, since it is larger than the sum of its proper divisors (6051767354).

12102101002 is a wasteful number, since it uses less digits than its factorization.

12102101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238952.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12102101002 its reverse (20010120121), we get a palindrome (32112221123).

The spelling of 12102101002 in words is "twelve billion, one hundred two million, one hundred one thousand, two".