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102010201212 = 22331274220971
BaseRepresentation
bin101111100000001001…
…0000010010001111100
3100202022021012010220110
41133000102002101330
53132404102414322
6114510212350020
710240623255303
oct1370022022174
9322267163813
10102010201212
113a298110017
121792b015310
13980911910a
144d1a01343a
1529c0964c0c
hex17c048247c

102010201212 has 24 divisors (see below), whose sum is σ = 245701990912. Its totient is φ = 32906516400.

The previous prime is 102010201201. The next prime is 102010201231. The reversal of 102010201212 is 212102010201.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 137110114 + ... + 137110857.

Almost surely, 2102010201212 is an apocalyptic number.

102010201212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102010201212 is an abundant number, since it is smaller than the sum of its proper divisors (143691789700).

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

102010201212 is a wasteful number, since it uses less digits than its factorization.

102010201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274221009 (or 274221007 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102010201212 its reverse (212102010201), we get a palindrome (314112211413).

It can be divided in two parts, 102010201 and 212, that multiplied together give a palindrome (21626162612).

The spelling of 102010201212 in words is "one hundred two billion, ten million, two hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 274220971 548441942 822662913 1096883884 1645325826 3290651652 8500850101 17001700202 25502550303 34003400404 51005100606 102010201212