212303118253 has 2 divisors, whose sum is σ = 212303118254. Its totient is φ = 212303118252.

The previous prime is 212303118239. The next prime is 212303118311. The reversal of 212303118253 is 352811303212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138963437284 + 73339680969 = 372778^2 + 270813^2 .

It is a cyclic number.

It is not a de Polignac number, because 212303118253 - 2⁵ = 212303118221 is a prime.

It is a super-2 number, since 2×212303118253² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212303112253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106151559126 + 106151559127.

It is an arithmetic number, because the mean of its divisors is an integer number (106151559127).

Almost surely, 2^212303118253 is an apocalyptic number.

It is an amenable number.

212303118253 is a deficient number, since it is larger than the sum of its proper divisors (1).

212303118253 is an equidigital number, since it uses as much as digits as its factorization.

212303118253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 212303118253 in words is "two hundred twelve billion, three hundred three million, one hundred eighteen thousand, two hundred fifty-three".