121441400012 has 12 divisors (see below), whose sum is σ = 214713403800. Its totient is φ = 60094713216.

The previous prime is 121441400009. The next prime is 121441400071. The reversal of 121441400012 is 210004144121.

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, 156496262 + ... + 156497037.

It is an arithmetic number, because the mean of its divisors is an integer number (17892783650).

Almost surely, 2^121441400012 is an apocalyptic number.

It is an amenable number.

121441400012 is a deficient number, since it is larger than the sum of its proper divisors (93272003788).

121441400012 is a wasteful number, since it uses less digits than its factorization.

121441400012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312993400 (or 312993398 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121441400012 its reverse (210004144121), we get a palindrome (331445544133).

The spelling of 121441400012 in words is "one hundred twenty-one billion, four hundred forty-one million, four hundred thousand, twelve".