9409612212 has 576 divisors, whose sum is σ = 34930022400. Its totient is φ = 2133112320.

The previous prime is 9409612211. The next prime is 9409612229. The reversal of 9409612212 is 2122169049.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9409612211) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 18486214 + ... + 18486722.

It is an arithmetic number, because the mean of its divisors is an integer number (60642400).

Almost surely, 2^9409612212 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 9409612212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17465011200).

9409612212 is an abundant number, since it is smaller than the sum of its proper divisors (25520410188).

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

9409612212 is a wasteful number, since it uses less digits than its factorization.

9409612212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 9409612212 is about 97003.1556806272. The cubic root of 9409612212 is about 2111.1734158844.

The spelling of 9409612212 in words is "nine billion, four hundred nine million, six hundred twelve thousand, two hundred twelve".