9212652720 has 160 divisors (see below), whose sum is σ = 32826916800. Its totient is φ = 2371977216.

The previous prime is 9212652677. The next prime is 9212652751. The reversal of 9212652720 is 272562129.

It is a happy number.

9212652720 is a `hidden beast` number, since 9 + 2 + 126 + 527 + 2 + 0 = 666.

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

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, 10897 + ... + 136176.

It is an arithmetic number, because the mean of its divisors is an integer number (205168230).

Almost surely, 2^9212652720 is an apocalyptic number.

9212652720 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9212652720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16413458400).

9212652720 is an abundant number, since it is smaller than the sum of its proper divisors (23614264080).

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

9212652720 is a wasteful number, since it uses less digits than its factorization.

9212652720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147124 (or 147112 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 9212652720 is about 95982.5646667143. The cubic root of 9212652720 is about 2096.3392549065.

It can be divided in two parts, 921 and 2652720, that added together give a square (2653641 = 1629²).

The spelling of 9212652720 in words is "nine billion, two hundred twelve million, six hundred fifty-two thousand, seven hundred twenty".