212273951 has 8 divisors (see below), whose sum is σ = 225729504. Its totient is φ = 198926080.

The previous prime is 212273899. The next prime is 212273953. The reversal of 212273951 is 159372212.

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

It is not a de Polignac number, because 212273951 - 2¹⁰ = 212272927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212273953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22835 + ... + 30756.

It is an arithmetic number, because the mean of its divisors is an integer number (28216188).

Almost surely, 2^212273951 is an apocalyptic number.

212273951 is a deficient number, since it is larger than the sum of its proper divisors (13455553).

212273951 is a wasteful number, since it uses less digits than its factorization.

212273951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53841.

The product of its digits is 7560, while the sum is 32.

The square root of 212273951 is about 14569.6242573376. The cubic root of 212273951 is about 596.5299242766.

The spelling of 212273951 in words is "two hundred twelve million, two hundred seventy-three thousand, nine hundred fifty-one".