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102110101111212 = 2238509175092601
BaseRepresentation
bin10111001101111001011100…
…010011100000000110101100
3111101112122000111211100010120
4113031321130103200012230
5101340432441341024322
61001100422144404540
730336132331511535
oct2715713423400654
9441478014740116
10102110101111212
112a598718088457
12b551756316750
1344c8c30b1971c
141b3022608568c
15bc11b86b8a5c
hex5cde5c4e01ac

102110101111212 has 12 divisors (see below), whose sum is σ = 238256902592856. Its totient is φ = 34036700370400.

The previous prime is 102110101111181. The next prime is 102110101111231. The reversal of 102110101111212 is 212111101011201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 102110101111191 and 102110101111200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4254587546289 + ... + 4254587546312.

It is an arithmetic number, because the mean of its divisors is an integer number (19854741882738).

Almost surely, 2102110101111212 is an apocalyptic number.

102110101111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102110101111212 is an abundant number, since it is smaller than the sum of its proper divisors (136146801481644).

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

102110101111212 is a wasteful number, since it uses less digits than its factorization.

102110101111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8509175092608 (or 8509175092606 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 102110101111212 its reverse (212111101011201), we get a palindrome (314221202122413).

The spelling of 102110101111212 in words is "one hundred two trillion, one hundred ten billion, one hundred one million, one hundred eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 8509175092601 17018350185202 25527525277803 34036700370404 51055050555606 102110101111212