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212012002211212 = 22774101102182929
BaseRepresentation
bin110000001101001011100100…
…000101000111010110001100
31000210200011000221222122221001
4300031023210011013112030
5210242101040031224322
62030524545204350044
762441235025413460
oct6015134405072614
91023604027878831
10212012002211212
116160a87011a075
121b94141a6a5324
13913b852408898
143a4d6156384a0
151979dbaa1a827
hexc0d2e414758c

212012002211212 has 24 divisors (see below), whose sum is σ = 424029730816160. Its totient is φ = 90861059577600.

The previous prime is 212012002211203. The next prime is 212012002211239. The reversal of 212012002211212 is 212112200210212.

It is a self number, because there is not a number n which added to its sum of digits gives 212012002211212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49016637 + ... + 53166292.

Almost surely, 2212012002211212 is an apocalyptic number.

It is an amenable number.

212012002211212 is an abundant number, since it is smaller than the sum of its proper divisors (212017728604948).

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

212012002211212 is a wasteful number, since it uses less digits than its factorization.

212012002211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102257041 (or 102257039 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212012002211212 its reverse (212112200210212), we get a palindrome (424124202421424).

The spelling of 212012002211212 in words is "two hundred twelve trillion, twelve billion, two million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 74101 148202 296404 518707 1037414 2074828 102182929 204365858 408731716 715280503 1430561006 2861122012 7571857221829 15143714443658 30287428887316 53003000552803 106006001105606 212012002211212