121550252252 has 96 divisors (see below), whose sum is σ = 253406361600. Its totient is φ = 50286412800.

The previous prime is 121550252221. The next prime is 121550252309. The reversal of 121550252252 is 252252055121.

121550252252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46587524 + ... + 46590132.

It is an arithmetic number, because the mean of its divisors is an integer number (2639649600).

Almost surely, 2^121550252252 is an apocalyptic number.

It is an amenable number.

121550252252 is an abundant number, since it is smaller than the sum of its proper divisors (131856109348).

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

121550252252 is a wasteful number, since it uses less digits than its factorization.

121550252252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3747 (or 3745 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 121550252252 in words is "one hundred twenty-one billion, five hundred fifty million, two hundred fifty-two thousand, two hundred fifty-two".