12120121102 has 8 divisors (see below), whose sum is σ = 18188062200. Its totient is φ = 6057433704.

The previous prime is 12120120983. The next prime is 12120121121. The reversal of 12120121102 is 20112102121.

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, 1307652 + ... + 1316887.

It is an arithmetic number, because the mean of its divisors is an integer number (2273507775).

Almost surely, 2^12120121102 is an apocalyptic number.

12120121102 is a deficient number, since it is larger than the sum of its proper divisors (6067941098).

12120121102 is a wasteful number, since it uses less digits than its factorization.

12120121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626850.

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

Adding to 12120121102 its reverse (20112102121), we get a palindrome (32232223223).

The spelling of 12120121102 in words is "twelve billion, one hundred twenty million, one hundred twenty-one thousand, one hundred two".