9401212112 has 80 divisors (see below), whose sum is σ = 19131216000. Its totient is φ = 4469617152.

The previous prime is 9401212087. The next prime is 9401212129. The reversal of 9401212112 is 2112121049.

It is a congruent number.

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, 10943939 + ... + 10944797.

It is an arithmetic number, because the mean of its divisors is an integer number (239140200).

Almost surely, 2^9401212112 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 9401212112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9565608000).

9401212112 is an abundant number, since it is smaller than the sum of its proper divisors (9730003888).

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

9401212112 is a wasteful number, since it uses less digits than its factorization.

9401212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228 (or 1222 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 9401212112 is about 96959.8479371745. The cubic root of 9401212112 is about 2110.5450036047.

The spelling of 9401212112 in words is "nine billion, four hundred one million, two hundred twelve thousand, one hundred twelve".