212152263 has 4 divisors (see below), whose sum is σ = 282869688. Its totient is φ = 141434840.

The previous prime is 212152261. The next prime is 212152267. The reversal of 212152263 is 362251212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212152263 - 2¹ = 212152261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212152261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35358708 + ... + 35358713.

It is an arithmetic number, because the mean of its divisors is an integer number (70717422).

Almost surely, 2^212152263 is an apocalyptic number.

212152263 is a deficient number, since it is larger than the sum of its proper divisors (70717425).

212152263 is an equidigital number, since it uses as much as digits as its factorization.

212152263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70717424.

The product of its digits is 1440, while the sum is 24.

The square root of 212152263 is about 14565.4475729378. The cubic root of 212152263 is about 596.4159137278.

The spelling of 212152263 in words is "two hundred twelve million, one hundred fifty-two thousand, two hundred sixty-three".