121240130324 has 12 divisors (see below), whose sum is σ = 224650829844. Its totient is φ = 57054178944.

The previous prime is 121240130293. The next prime is 121240130339. The reversal of 121240130324 is 423031042121.

It can be written as a sum of positive squares in 2 ways, for example, as 40204260100 + 81035870224 = 200510^2 + 284668^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121240130324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891471479 + ... + 891471614.

It is an arithmetic number, because the mean of its divisors is an integer number (18720902487).

Almost surely, 2^121240130324 is an apocalyptic number.

It is an amenable number.

121240130324 is a deficient number, since it is larger than the sum of its proper divisors (103410699520).

121240130324 is a wasteful number, since it uses less digits than its factorization.

121240130324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782943114 (or 1782943112 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 121240130324 its reverse (423031042121), we get a palindrome (544271172445).

The spelling of 121240130324 in words is "one hundred twenty-one billion, two hundred forty million, one hundred thirty thousand, three hundred twenty-four".