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212110220120 = 2356618022323
BaseRepresentation
bin1100010110001011000…
…0010001101101011000
3202021111022210121102112
43011202300101231120
511433400204020440
6241235254051452
721216201060131
oct3054260215530
9667438717375
10212110220120
1181a56764887
1235137349b88
13170042652b6
14a3a25d0c88
1557b6717965
hex3162c11b58

212110220120 has 32 divisors (see below), whose sum is σ = 477970063920. Its totient is φ = 84715720320.

The previous prime is 212110220111. The next prime is 212110220251. The reversal of 212110220120 is 21022011212.

It is a junction number, because it is equal to n+sod(n) for n = 212110220095 and 212110220104.

It is a congruent number.

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, 3984722 + ... + 4037601.

Almost surely, 2212110220120 is an apocalyptic number.

212110220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212110220120 is an abundant number, since it is smaller than the sum of its proper divisors (265859843800).

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

212110220120 is a wasteful number, since it uses less digits than its factorization.

212110220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8022995 (or 8022991 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212110220120 its reverse (21022011212), we get a palindrome (233132231332).

The spelling of 212110220120 in words is "two hundred twelve billion, one hundred ten million, two hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 661 1322 2644 3305 5288 6610 13220 26440 8022323 16044646 32089292 40111615 64178584 80223230 160446460 320892920 5302755503 10605511006 21211022012 26513777515 42422044024 53027555030 106055110060 212110220120