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102101220010212 = 22347181030531933
BaseRepresentation
bin10111001101110001001010…
…111100110010100011100100
3111101111210002120110122212220
4113031301022330302203210
5101340311244310311322
61001052353011512340
730335366261425023
oct2715611274624344
9441453076418786
10102101220010212
112a59497aa16865
12b54ba97bb86b0
1344c8146b99187
141b2da227808ba
15bc0d48b7655c
hex5cdc4af328e4

102101220010212 has 24 divisors (see below), whose sum is σ = 243305034919296. Its totient is φ = 33309617875488.

The previous prime is 102101220010211. The next prime is 102101220010217. The reversal of 102101220010212 is 212010022101201.

It is a junction number, because it is equal to n+sod(n) for n = 102101220010191 and 102101220010200.

It is not an unprimeable number, because it can be changed into a prime (102101220010211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90515265403 + ... + 90515266530.

It is an arithmetic number, because the mean of its divisors is an integer number (10137709788304).

Almost surely, 2102101220010212 is an apocalyptic number.

102101220010212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102101220010212 is an abundant number, since it is smaller than the sum of its proper divisors (141203814909084).

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

102101220010212 is a wasteful number, since it uses less digits than its factorization.

102101220010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181030531987 (or 181030531985 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102101220010212 its reverse (212010022101201), we get a palindrome (314111242111413).

The spelling of 102101220010212 in words is "one hundred two trillion, one hundred one billion, two hundred twenty million, ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 181030531933 362061063866 543091595799 724122127732 1086183191598 2172366383196 8508435000851 17016870001702 25525305002553 34033740003404 51050610005106 102101220010212