121273576192 has 144 divisors (see below), whose sum is σ = 263325347712. Its totient is φ = 55529717760.

The previous prime is 121273576187. The next prime is 121273576201. The reversal of 121273576192 is 291675372121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24198967 + ... + 24203977.

It is an arithmetic number, because the mean of its divisors is an integer number (1828648248).

Almost surely, 2^121273576192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121273576192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131662673856).

121273576192 is an abundant number, since it is smaller than the sum of its proper divisors (142051771520).

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

121273576192 is an equidigital number, since it uses as much as digits as its factorization.

121273576192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194 (or 5180 counting only the distinct ones).

The product of its digits is 317520, while the sum is 46.

The spelling of 121273576192 in words is "one hundred twenty-one billion, two hundred seventy-three million, five hundred seventy-six thousand, one hundred ninety-two".