9401912212 has 96 divisors (see below), whose sum is σ = 21102633216. Its totient is φ = 3558604800.

The previous prime is 9401912189. The next prime is 9401912251. The reversal of 9401912212 is 2122191049.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3243948 + ... + 3246844.

It is an arithmetic number, because the mean of its divisors is an integer number (219819096).

Almost surely, 2^9401912212 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 9401912212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10551316608).

9401912212 is an abundant number, since it is smaller than the sum of its proper divisors (11700721004).

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

9401912212 is a wasteful number, since it uses less digits than its factorization.

9401912212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217 (or 3215 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 9401912212 is about 96963.4581272760. The cubic root of 9401912212 is about 2110.5973924478.

The spelling of 9401912212 in words is "nine billion, four hundred one million, nine hundred twelve thousand, two hundred twelve".