12121200210102 has 32 divisors (see below), whose sum is σ = 25078590614880. Its totient is φ = 3901037763840.

The previous prime is 12121200209999. The next prime is 12121200210109. The reversal of 12121200210102 is 20101200212121.

12121200210102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121200210109) 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, 21510298 + ... + 22066610.

It is an arithmetic number, because the mean of its divisors is an integer number (783705956715).

Almost surely, 2^{12121200210102} is an apocalyptic number.

12121200210102 is an abundant number, since it is smaller than the sum of its proper divisors (12957390404778).

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

12121200210102 is a wasteful number, since it uses less digits than its factorization.

12121200210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681568.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12121200210102 its reverse (20101200212121), we get a palindrome (32222400422223).

The spelling of 12121200210102 in words is "twelve trillion, one hundred twenty-one billion, two hundred million, two hundred ten thousand, one hundred two".