121752036340 has 48 divisors (see below), whose sum is σ = 279042672384. Its totient is φ = 44254448000.

The previous prime is 121752036317. The next prime is 121752036433. The reversal of 121752036340 is 43630257121.

It is a junction number, because it is equal to n+sod(n) for n = 121752036296 and 121752036305.

It is a congruent number.

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, 399522 + ... + 634918.

It is an arithmetic number, because the mean of its divisors is an integer number (5813389008).

Almost surely, 2^121752036340 is an apocalyptic number.

121752036340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121752036340 is an abundant number, since it is smaller than the sum of its proper divisors (157290636044).

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

121752036340 is a wasteful number, since it uses less digits than its factorization.

121752036340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237768 (or 237766 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 121752036340 in words is "one hundred twenty-one billion, seven hundred fifty-two million, thirty-six thousand, three hundred forty".