212051153 has 4 divisors (see below), whose sum is σ = 223211760. Its totient is φ = 200890548.

The previous prime is 212051137. The next prime is 212051173. The reversal of 212051153 is 351150212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212051153 - 2⁴ = 212051137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212051113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5580275 + ... + 5580312.

It is an arithmetic number, because the mean of its divisors is an integer number (55802940).

Almost surely, 2^212051153 is an apocalyptic number.

It is an amenable number.

212051153 is a deficient number, since it is larger than the sum of its proper divisors (11160607).

212051153 is a wasteful number, since it uses less digits than its factorization.

212051153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11160606.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 212051153 is about 14561.9762738442. The cubic root of 212051153 is about 596.3211497208.

The spelling of 212051153 in words is "two hundred twelve million, fifty-one thousand, one hundred fifty-three".