121130230044 has 12 divisors (see below), whose sum is σ = 282637203464. Its totient is φ = 40376743344.

The previous prime is 121130230019. The next prime is 121130230049. The reversal of 121130230044 is 440032031121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 121130230044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121130230049) 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, 5047092907 + ... + 5047092930.

Almost surely, 2^121130230044 is an apocalyptic number.

It is an amenable number.

121130230044 is an abundant number, since it is smaller than the sum of its proper divisors (161506973420).

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

121130230044 is a wasteful number, since it uses less digits than its factorization.

121130230044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10094185844 (or 10094185842 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 121130230044 its reverse (440032031121), we get a palindrome (561162261165).

The spelling of 121130230044 in words is "one hundred twenty-one billion, one hundred thirty million, two hundred thirty thousand, forty-four".