Search a number
-
+
102212201101212 = 22328233449851529
BaseRepresentation
bin10111001111011000100001…
…111100000011011110011100
3111101220101120000222020002200
4113033120201330003132130
5101344121041440214322
61001215345325451500
730346405425223056
oct2717304174033634
9441811500866080
10102212201101212
112a627a50945084
12b5694ab410b90
1345057527125a7
141b3514dd8c8d6
15bc3b91e678ac
hex5cf621f0379c

102212201101212 has 36 divisors (see below), whose sum is σ = 258683667125520. Its totient is φ = 34029335472192.

The previous prime is 102212201101177. The next prime is 102212201101279. The reversal of 102212201101212 is 212101102212201.

102212201101212 is a `hidden beast` number, since 1 + 0 + 221 + 220 + 1 + 10 + 1 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1724896137 + ... + 1724955392.

Almost surely, 2102212201101212 is an apocalyptic number.

102212201101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102212201101212 is an abundant number, since it is smaller than the sum of its proper divisors (156471466024308).

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

102212201101212 is a wasteful number, since it uses less digits than its factorization.

102212201101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3449852362 (or 3449852357 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102212201101212 its reverse (212101102212201), we get a palindrome (314313303313413).

The spelling of 102212201101212 in words is "one hundred two trillion, two hundred twelve billion, two hundred one million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 823 1646 2469 3292 4938 7407 9876 14814 29628 3449851529 6899703058 10349554587 13799406116 20699109174 31048663761 41398218348 62097327522 124194655044 2839227808367 5678455616734 8517683425101 11356911233468 17035366850202 25553050275303 34070733700404 51106100550606 102212201101212