121242141112 has 16 divisors (see below), whose sum is σ = 227345081400. Its totient is φ = 60616786080.

The previous prime is 121242141107. The next prime is 121242141127. The reversal of 121242141112 is 211141242121.

It is a nude number because it is divisible by every one of its digits.

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, 413662 + ... + 643117.

Almost surely, 2^121242141112 is an apocalyptic number.

It is an amenable number.

121242141112 is a deficient number, since it is larger than the sum of its proper divisors (106102940288).

121242141112 is a wasteful number, since it uses less digits than its factorization.

121242141112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071126 (or 1071122 counting only the distinct ones).

The product of its digits is 256, while the sum is 22.

Adding to 121242141112 its reverse (211141242121), we get a palindrome (332383383233).

The spelling of 121242141112 in words is "one hundred twenty-one billion, two hundred forty-two million, one hundred forty-one thousand, one hundred twelve".