Search a number
-
+
212323012212 = 22339667446053
BaseRepresentation
bin1100010110111101110…
…0000000111001110100
3202022001011012120022010
43011233130000321310
511434314142342322
6241312335004220
721224363553213
oct3055734007164
9668034176263
10212323012212
1182055894713
1235196669670
131703937ac8c
14a3c298307a
1557ca24c20c
hex316f700e74

212323012212 has 24 divisors (see below), whose sum is σ = 495433962016. Its totient is φ = 70772394528.

The previous prime is 212323012189. The next prime is 212323012271. The reversal of 212323012212 is 212210323212.

212323012212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2123230122122 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252978 + ... + 699030.

Almost surely, 2212323012212 is an apocalyptic number.

It is an amenable number.

212323012212 is an abundant number, since it is smaller than the sum of its proper divisors (283110949804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212323012212 is a wasteful number, since it uses less digits than its factorization.

212323012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485727 (or 485725 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212323012212 its reverse (212210323212), we get a palindrome (424533335424).

The spelling of 212323012212 in words is "two hundred twelve billion, three hundred twenty-three million, twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 39667 79334 119001 158668 238002 446053 476004 892106 1338159 1784212 2676318 5352636 17693584351 35387168702 53080753053 70774337404 106161506106 212323012212