12121012102 has 8 divisors (see below), whose sum is σ = 18182811312. Its totient is φ = 6060075000.

The previous prime is 12121012091. The next prime is 12121012139. The reversal of 12121012102 is 20121012121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179149 + ... + 237352.

It is an arithmetic number, because the mean of its divisors is an integer number (2272851414).

Almost surely, 2^12121012102 is an apocalyptic number.

12121012102 is a deficient number, since it is larger than the sum of its proper divisors (6061799210).

12121012102 is a wasteful number, since it uses less digits than its factorization.

12121012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431054.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12121012102 its reverse (20121012121), we get a palindrome (32242024223).

The spelling of 12121012102 in words is "twelve billion, one hundred twenty-one million, twelve thousand, one hundred two".