121304120131144 has 16 divisors (see below), whose sum is σ = 227446045365420. Its totient is φ = 60651841367040.

The previous prime is 121304120131013. The next prime is 121304120131189. The reversal of 121304120131144 is 441131021403121.

It can be written as a sum of positive squares in 2 ways, for example, as 117402902608644 + 3901217522500 = 10835262^2 + 1975150^2 .

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, 24967917 + ... + 29427964.

Almost surely, 2^{121304120131144} is an apocalyptic number.

It is an amenable number.

121304120131144 is a deficient number, since it is larger than the sum of its proper divisors (106141925234276).

121304120131144 is a wasteful number, since it uses less digits than its factorization.

121304120131144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54674640 (or 54674636 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 121304120131144 its reverse (441131021403121), we get a palindrome (562435141534265).

The spelling of 121304120131144 in words is "one hundred twenty-one trillion, three hundred four billion, one hundred twenty million, one hundred thirty-one thousand, one hundred forty-four".