12121012210102 has 16 divisors (see below), whose sum is σ = 19970546434560. Its totient is φ = 5491900268712.

The previous prime is 12121012210093. The next prime is 12121012210129. The reversal of 12121012210102 is 20101221012121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6934216638 + ... + 6934218385.

It is an arithmetic number, because the mean of its divisors is an integer number (1248159152160).

Almost surely, 2^{12121012210102} is an apocalyptic number.

12121012210102 is a deficient number, since it is larger than the sum of its proper divisors (7849534224458).

12121012210102 is a wasteful number, since it uses less digits than its factorization.

12121012210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13868435067.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12121012210102 its reverse (20101221012121), we get a palindrome (32222233222223).

The spelling of 12121012210102 in words is "twelve trillion, one hundred twenty-one billion, twelve million, two hundred ten thousand, one hundred two".