212320053 has 12 divisors (see below), whose sum is σ = 334565088. Its totient is φ = 128678760.

The previous prime is 212320037. The next prime is 212320081. The reversal of 212320053 is 350023212.

It is not a de Polignac number, because 212320053 - 2⁴ = 212320037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212320453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1072225 + ... + 1072422.

It is an arithmetic number, because the mean of its divisors is an integer number (27880424).

Almost surely, 2^212320053 is an apocalyptic number.

It is an amenable number.

212320053 is a deficient number, since it is larger than the sum of its proper divisors (122245035).

212320053 is a wasteful number, since it uses less digits than its factorization.

212320053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144664 (or 2144661 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 212320053 is about 14571.2062987249. The cubic root of 212320053 is about 596.5731062619.

Adding to 212320053 its reverse (350023212), we get a palindrome (562343265).

The spelling of 212320053 in words is "two hundred twelve million, three hundred twenty thousand, fifty-three".