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12120110101102 = 2173166971125599
BaseRepresentation
bin1011000001011110111011…
…0110110111001001101110
31120220200010022102102121111
42300113232312313021232
53042033441141213402
641435522434222234
72360435425020253
oct260275666671156
946820108372544
1012120110101102
1139531231aa573
121438b6042497a
1369bbc9646323
142dc88b7c542a
151604128c39d7
hexb05eedb726e

12120110101102 has 16 divisors (see below), whose sum is σ = 19249664515200. Its totient is φ = 5703558147328.

The previous prime is 12120110101067. The next prime is 12120110101111. The reversal of 12120110101102 is 20110101102121.

It is a happy number.

It is a super-2 number, since 2×121201101011022 (a number of 27 digits) contains 22 as substring.

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, 10204899 + ... + 11330497.

It is an arithmetic number, because the mean of its divisors is an integer number (1203104032200).

Almost surely, 212120110101102 is an apocalyptic number.

12120110101102 is a deficient number, since it is larger than the sum of its proper divisors (7129554414098).

12120110101102 is a wasteful number, since it uses less digits than its factorization.

12120110101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442315.

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

Adding to 12120110101102 its reverse (20110101102121), we get a palindrome (32230211203223).

It can be divided in two parts, 121 and 20110101102, that multiplied together give a palindrome (2433322233342).

The spelling of 12120110101102 in words is "twelve trillion, one hundred twenty billion, one hundred ten million, one hundred one thousand, one hundred two".

Divisors: 1 2 17 34 316697 633394 1125599 2251198 5383849 10767698 19135183 38270366 356473826503 712947653006 6060055050551 12120110101102