97212150 has 192 divisors, whose sum is σ = 312360960. Its totient is φ = 22044960.

The previous prime is 97212149. The next prime is 97212161. The reversal of 97212150 is 5121279.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 765387 + ... + 765513.

It is an arithmetic number, because the mean of its divisors is an integer number (1626880).

Almost surely, 2^97212150 is an apocalyptic number.

97212150 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 97212150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156180480).

97212150 is an abundant number, since it is smaller than the sum of its proper divisors (215148810).

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

97212150 is a wasteful number, since it uses less digits than its factorization.

97212150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 97212150 is about 9859.6222037155. The cubic root of 97212150 is about 459.8048163738.

The spelling of 97212150 in words is "ninety-seven million, two hundred twelve thousand, one hundred fifty".