212040133304 has 16 divisors (see below), whose sum is σ = 418500263400. Its totient is φ = 100440063072.

The previous prime is 212040133271. The next prime is 212040133337. The reversal of 212040133304 is 403331040212.

It is an interprime number because it is at equal distance from previous prime (212040133271) and next prime (212040133337).

It is a super-2 number, since 2×212040133304² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212040133304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697500287 + ... + 697500590.

Almost surely, 2^212040133304 is an apocalyptic number.

It is an amenable number.

212040133304 is a deficient number, since it is larger than the sum of its proper divisors (206460130096).

212040133304 is a wasteful number, since it uses less digits than its factorization.

212040133304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395000902 (or 1395000898 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 212040133304 its reverse (403331040212), we get a palindrome (615371173516).

The spelling of 212040133304 in words is "two hundred twelve billion, forty million, one hundred thirty-three thousand, three hundred four".