121234131244 has 12 divisors (see below), whose sum is σ = 212191428064. Its totient is φ = 60608008944.

The previous prime is 121234131241. The next prime is 121234131253. The reversal of 121234131244 is 442131432121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121234131241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2234007 + ... + 2287630.

Almost surely, 2^121234131244 is an apocalyptic number.

It is an amenable number.

121234131244 is a deficient number, since it is larger than the sum of its proper divisors (90957296820).

121234131244 is a wasteful number, since it uses less digits than its factorization.

121234131244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528344 (or 4528342 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

Adding to 121234131244 its reverse (442131432121), we get a palindrome (563365563365).

The spelling of 121234131244 in words is "one hundred twenty-one billion, two hundred thirty-four million, one hundred thirty-one thousand, two hundred forty-four".