12121000001106 has 32 divisors (see below), whose sum is σ = 24516096329088. Its totient is φ = 3994732853760.

The previous prime is 12121000001093. The next prime is 12121000001107. The reversal of 12121000001106 is 60110000012121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12121000001107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9690030 + ... + 10869161.

It is an arithmetic number, because the mean of its divisors is an integer number (766128010284).

Almost surely, 2^{12121000001106} is an apocalyptic number.

12121000001106 is an abundant number, since it is smaller than the sum of its proper divisors (12395096327982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12121000001106 is a wasteful number, since it uses less digits than its factorization.

12121000001106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20560306.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12121000001106 its reverse (60110000012121), we get a palindrome (72231000013227).

The spelling of 12121000001106 in words is "twelve trillion, one hundred twenty-one billion, one thousand, one hundred six".