121746662532 has 72 divisors (see below), whose sum is σ = 338863385952. Its totient is φ = 36548121600.

The previous prime is 121746662491. The next prime is 121746662537. The reversal of 121746662532 is 235266647121.

It is not an unprimeable number, because it can be changed into a prime (121746662537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1394269 + ... + 1479012.

It is an arithmetic number, because the mean of its divisors is an integer number (4706435916).

Almost surely, 2^121746662532 is an apocalyptic number.

121746662532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121746662532 is an abundant number, since it is smaller than the sum of its proper divisors (217116723420).

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

121746662532 is a wasteful number, since it uses less digits than its factorization.

121746662532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873409 (or 2873404 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 121746662532 in words is "one hundred twenty-one billion, seven hundred forty-six million, six hundred sixty-two thousand, five hundred thirty-two".