12121434214 has 16 divisors (see below), whose sum is σ = 19392220368. Its totient is φ = 5662565632.

The previous prime is 12121434203. The next prime is 12121434229. The reversal of 12121434214 is 41243412121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296484 + ... + 1305799.

It is an arithmetic number, because the mean of its divisors is an integer number (1212013773).

Almost surely, 2^12121434214 is an apocalyptic number.

12121434214 is a deficient number, since it is larger than the sum of its proper divisors (7270786154).

12121434214 is a wasteful number, since it uses less digits than its factorization.

12121434214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602439.

The product of its digits is 1536, while the sum is 25.

Adding to 12121434214 its reverse (41243412121), we get a palindrome (53364846335).

The spelling of 12121434214 in words is "twelve billion, one hundred twenty-one million, four hundred thirty-four thousand, two hundred fourteen".