210303212293 has 2 divisors, whose sum is σ = 210303212294. Its totient is φ = 210303212292.

The previous prime is 210303212221. The next prime is 210303212359. The reversal of 210303212293 is 392212303012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185491291969 + 24811920324 = 430687^2 + 157518^2 .

It is a cyclic number.

It is not a de Polignac number, because 210303212293 - 2²⁵ = 210269657861 is a prime.

It is a super-2 number, since 2×210303212293² (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 (210303213293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105151606146 + 105151606147.

It is an arithmetic number, because the mean of its divisors is an integer number (105151606147).

Almost surely, 2^210303212293 is an apocalyptic number.

It is an amenable number.

210303212293 is a deficient number, since it is larger than the sum of its proper divisors (1).

210303212293 is an equidigital number, since it uses as much as digits as its factorization.

210303212293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

It can be divided in two parts, 21030 and 3212293, that added together give a palindrome (3233323).

The spelling of 210303212293 in words is "two hundred ten billion, three hundred three million, two hundred twelve thousand, two hundred ninety-three".