121231300194 has 12 divisors (see below), whose sum is σ = 262667817126. Its totient is φ = 40410433392.

The previous prime is 121231300187. The next prime is 121231300207. The reversal of 121231300194 is 491003132121.

121231300194 is a `hidden beast` number, since 121 + 231 + 300 + 1 + 9 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 121147851969 + 83448225 = 348063^2 + 9135^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3367536099 + ... + 3367536134.

Almost surely, 2^121231300194 is an apocalyptic number.

121231300194 is an abundant number, since it is smaller than the sum of its proper divisors (141436516932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121231300194 is a wasteful number, since it uses less digits than its factorization.

121231300194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6735072241 (or 6735072238 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 121231300194 in words is "one hundred twenty-one billion, two hundred thirty-one million, three hundred thousand, one hundred ninety-four".