121262389448 has 32 divisors (see below), whose sum is σ = 228757707360. Its totient is φ = 60260920320.

The previous prime is 121262389421. The next prime is 121262389463. The reversal of 121262389448 is 844983262121.

It is a junction number, because it is equal to n+sod(n) for n = 121262389396 and 121262389405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1648511 + ... + 1720497.

It is an arithmetic number, because the mean of its divisors is an integer number (7148678355).

Almost surely, 2^121262389448 is an apocalyptic number.

It is an amenable number.

121262389448 is a deficient number, since it is larger than the sum of its proper divisors (107495317912).

121262389448 is a wasteful number, since it uses less digits than its factorization.

121262389448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73277 (or 73273 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The spelling of 121262389448 in words is "one hundred twenty-one billion, two hundred sixty-two million, three hundred eighty-nine thousand, four hundred forty-eight".