121002010847958 has 32 divisors (see below), whose sum is σ = 242129119873536. Its totient is φ = 40313159072928.

The previous prime is 121002010847957. The next prime is 121002010848101. The reversal of 121002010847958 is 859748010200121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002010847951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93879960 + ... + 95160132.

It is an arithmetic number, because the mean of its divisors is an integer number (7566534996048).

Almost surely, 2^{121002010847958} is an apocalyptic number.

121002010847958 is an abundant number, since it is smaller than the sum of its proper divisors (121127109025578).

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

121002010847958 is a wasteful number, since it uses less digits than its factorization.

121002010847958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288308.

The product of its (nonzero) digits is 322560, while the sum is 48.

The spelling of 121002010847958 in words is "one hundred twenty-one trillion, two billion, ten million, eight hundred forty-seven thousand, nine hundred fifty-eight".