212152310 has 8 divisors (see below), whose sum is σ = 381874176. Its totient is φ = 84860920.

The previous prime is 212152307. The next prime is 212152319. The reversal of 212152310 is 13251212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×212152310² = 90017205276672200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212152319) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10607606 + ... + 10607625.

It is an arithmetic number, because the mean of its divisors is an integer number (47734272).

Almost surely, 2^212152310 is an apocalyptic number.

212152310 is a deficient number, since it is larger than the sum of its proper divisors (169721866).

212152310 is a wasteful number, since it uses less digits than its factorization.

212152310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21215238.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 212152310 is about 14565.4491863451. The cubic root of 212152310 is about 596.4159577710.

The spelling of 212152310 in words is "two hundred twelve million, one hundred fifty-two thousand, three hundred ten".