121244131031232 has 112 divisors (see below), whose sum is σ = 349975649584512. Its totient is φ = 36738441185280.

The previous prime is 121244131031209. The next prime is 121244131031299. The reversal of 121244131031232 is 232130131442121.

It is a self number, because there is not a number n which added to its sum of digits gives 121244131031232.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33655708 + ... + 37083620.

It is an arithmetic number, because the mean of its divisors is an integer number (3124782585576).

Almost surely, 2^{121244131031232} is an apocalyptic number.

121244131031232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121244131031232 is an abundant number, since it is smaller than the sum of its proper divisors (228731518553280).

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

121244131031232 is a wasteful number, since it uses less digits than its factorization.

121244131031232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444686 (or 3444676 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 121244131031232 its reverse (232130131442121), we get a palindrome (353374262473353).

The spelling of 121244131031232 in words is "one hundred twenty-one trillion, two hundred forty-four billion, one hundred thirty-one million, thirty-one thousand, two hundred thirty-two".