121322302112 has 96 divisors (see below), whose sum is σ = 266757551424. Its totient is φ = 53851392000.

The previous prime is 121322302103. The next prime is 121322302121. The reversal of 121322302112 is 211203223121.

It is an interprime number because it is at equal distance from previous prime (121322302103) and next prime (121322302121).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2571923 + ... + 2618669.

It is an arithmetic number, because the mean of its divisors is an integer number (2778724494).

Almost surely, 2^121322302112 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 121322302112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133378775712).

121322302112 is an abundant number, since it is smaller than the sum of its proper divisors (145435249312).

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

121322302112 is a wasteful number, since it uses less digits than its factorization.

121322302112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46942 (or 46934 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121322302112 its reverse (211203223121), we get a palindrome (332525525233).

The spelling of 121322302112 in words is "one hundred twenty-one billion, three hundred twenty-two million, three hundred two thousand, one hundred twelve".