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12101112212203 = 759317821112583
BaseRepresentation
bin1011000000011000001001…
…1111101010101011101011
31120211212002022112200100201
42300012002133222223223
53041231034211242303
641423101343413031
72356163561436130
oct260060237525353
946755068480321
1012101112212203
113946064406443
121435339bb4177
1369a18c767751
142db9a863a587
1515eb9eb0481d
hexb01827eaaeb

12101112212203 has 32 divisors (see below), whose sum is σ = 14125923486720. Its totient is φ = 10151942248320.

The previous prime is 12101112212183. The next prime is 12101112212213. The reversal of 12101112212203 is 30221221110121.

12101112212203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12101112212203 is a prime.

It is a super-2 number, since 2×121011122122032 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101112212213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107429850 + ... + 107542432.

It is an arithmetic number, because the mean of its divisors is an integer number (441435108960).

Almost surely, 212101112212203 is an apocalyptic number.

12101112212203 is a deficient number, since it is larger than the sum of its proper divisors (2024811274517).

12101112212203 is a wasteful number, since it uses less digits than its factorization.

12101112212203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113787.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12101112212203 its reverse (30221221110121), we get a palindrome (42322333322324).

The spelling of 12101112212203 in words is "twelve trillion, one hundred one billion, one hundred twelve million, two hundred twelve thousand, two hundred three".

Divisors: 1 7 59 317 413 821 2219 5747 18703 48439 112583 130921 260257 339073 788081 1821799 6642397 15355163 35688811 46496779 92430643 107486141 249821677 647014501 2105639849 5453407937 14739478943 29300513831 38173855559 205103596817 1728730316029 12101112212203