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12101102211010 = 257183920314429
BaseRepresentation
bin1011000000011000000111…
…1001100000111111000010
31120211212001121201120022011
42300012001321200333002
53041231024131223020
641423100345203134
72356163410433131
oct260060171407702
946755047646264
1012101102211010
1139460597a539a
1214353367904aa
1369a18a675497
142db9a7195918
1515eb9dccb35a
hexb0181e60fc2

12101102211010 has 32 divisors (see below), whose sum is σ = 22115101075200. Its totient is φ = 4766577385920.

The previous prime is 12101102211007. The next prime is 12101102211041. The reversal of 12101102211010 is 1011220110121.

It is a happy number.

It is a super-2 number, since 2×121011022110102 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9561525 + ... + 10752904.

It is an arithmetic number, because the mean of its divisors is an integer number (691096908600).

Almost surely, 212101102211010 is an apocalyptic number.

12101102211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101102211010 is a deficient number, since it is larger than the sum of its proper divisors (10013998864190).

12101102211010 is a wasteful number, since it uses less digits than its factorization.

12101102211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20315346.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12101102211010 its reverse (1011220110121), we get a palindrome (13112322321131).

The spelling of 12101102211010 in words is "twelve trillion, one hundred one billion, one hundred two million, two hundred eleven thousand, ten".

Divisors: 1 2 5 10 71 142 355 710 839 1678 4195 8390 59569 119138 297845 595690 20314429 40628858 101572145 203144290 1442324459 2884648918 7211622295 14423244590 17043805931 34087611862 85219029655 170438059310 1210110221101 2420220442202 6050551105505 12101102211010