121752410650 has 48 divisors (see below), whose sum is σ = 244380858624. Its totient is φ = 44862310080.

The previous prime is 121752410639. The next prime is 121752410683. The reversal of 121752410650 is 56014257121.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124239 + ... + 508861.

It is an arithmetic number, because the mean of its divisors is an integer number (5091267888).

Almost surely, 2^121752410650 is an apocalyptic number.

121752410650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121752410650 is an abundant number, since it is smaller than the sum of its proper divisors (122628447974).

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

121752410650 is a wasteful number, since it uses less digits than its factorization.

121752410650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385135 (or 385130 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

Adding to 121752410650 its reverse (56014257121), we get a palindrome (177766667771).

The spelling of 121752410650 in words is "one hundred twenty-one billion, seven hundred fifty-two million, four hundred ten thousand, six hundred fifty".