121471841650 has 96 divisors (see below), whose sum is σ = 246966211008. Its totient is φ = 44270284800.

The previous prime is 121471841629. The next prime is 121471841651. The reversal of 121471841650 is 56148174121.

121471841650 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (121471841651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4115445 + ... + 4144855.

It is an arithmetic number, because the mean of its divisors is an integer number (2572564698).

Almost surely, 2^121471841650 is an apocalyptic number.

121471841650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121471841650 is an abundant number, since it is smaller than the sum of its proper divisors (125494369358).

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

121471841650 is a wasteful number, since it uses less digits than its factorization.

121471841650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29596 (or 29591 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 121471841650 in words is "one hundred twenty-one billion, four hundred seventy-one million, eight hundred forty-one thousand, six hundred fifty".