121321285248 has 32 divisors (see below), whose sum is σ = 322259664960. Its totient is φ = 40440428288.

The previous prime is 121321285237. The next prime is 121321285273. The reversal of 121321285248 is 842582123121.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157970040 + ... + 157970807.

It is an arithmetic number, because the mean of its divisors is an integer number (10070614530).

Almost surely, 2^121321285248 is an apocalyptic number.

It is an amenable number.

121321285248 is an abundant number, since it is smaller than the sum of its proper divisors (200938379712).

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

121321285248 is an equidigital number, since it uses as much as digits as its factorization.

121321285248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315940864 (or 315940852 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The spelling of 121321285248 in words is "one hundred twenty-one billion, three hundred twenty-one million, two hundred eighty-five thousand, two hundred forty-eight".