121444234312 has 16 divisors (see below), whose sum is σ = 227714721840. Its totient is φ = 60720308496.

The previous prime is 121444234259. The next prime is 121444234391. The reversal of 121444234312 is 213432444121.

It is a happy number.

It is a super-2 number, since 2×121444234312² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 84363 + ... + 500005.

It is an arithmetic number, because the mean of its divisors is an integer number (14232170115).

Almost surely, 2^121444234312 is an apocalyptic number.

It is an amenable number.

121444234312 is a deficient number, since it is larger than the sum of its proper divisors (106270487528).

121444234312 is a wasteful number, since it uses less digits than its factorization.

121444234312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452172 (or 452168 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

Adding to 121444234312 its reverse (213432444121), we get a palindrome (334876678433).

The spelling of 121444234312 in words is "one hundred twenty-one billion, four hundred forty-four million, two hundred thirty-four thousand, three hundred twelve".