212319936953 has 4 divisors (see below), whose sum is σ = 212348835300. Its totient is φ = 212291038608.

The previous prime is 212319936911. The next prime is 212319936967. The reversal of 212319936953 is 359639913212.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54383639209 + 157936297744 = 233203^2 + 397412^2 .

It is a cyclic number.

It is not a de Polignac number, because 212319936953 - 2⁶ = 212319936889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212319936895 and 212319936904.

It is not an unprimeable number, because it can be changed into a prime (212319936853) 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, 14438150 + ... + 14452847.

It is an arithmetic number, because the mean of its divisors is an integer number (53087208825).

Almost surely, 2^212319936953 is an apocalyptic number.

It is an amenable number.

212319936953 is a deficient number, since it is larger than the sum of its proper divisors (28898347).

212319936953 is an equidigital number, since it uses as much as digits as its factorization.

212319936953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28898346.

The product of its digits is 2361960, while the sum is 53.

The spelling of 212319936953 in words is "two hundred twelve billion, three hundred nineteen million, nine hundred thirty-six thousand, nine hundred fifty-three".