121442113304132 has 12 divisors (see below), whose sum is σ = 212733494635116. Its totient is φ = 60661114836960.

The previous prime is 121442113304131. The next prime is 121442113304263. The reversal of 121442113304132 is 231403311244121.

It can be written as a sum of positive squares in 2 ways, for example, as 10732280832256 + 110709832471876 = 3276016^2 + 10521874^2 .

It is not an unprimeable number, because it can be changed into a prime (121442113304131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14985449219 + ... + 14985457322.

It is an arithmetic number, because the mean of its divisors is an integer number (17727791219593).

Almost surely, 2^{121442113304132} is an apocalyptic number.

It is an amenable number.

121442113304132 is a deficient number, since it is larger than the sum of its proper divisors (91291381330984).

121442113304132 is a wasteful number, since it uses less digits than its factorization.

121442113304132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29970907558 (or 29970907556 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 121442113304132 its reverse (231403311244121), we get a palindrome (352845424548253).

The spelling of 121442113304132 in words is "one hundred twenty-one trillion, four hundred forty-two billion, one hundred thirteen million, three hundred four thousand, one hundred thirty-two".