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12120210222011 = 1511571915774639
BaseRepresentation
bin1011000001011111010011…
…0100110010101110111011
31120220200101021211002200022
42300113310310302232323
53042034142304101021
641435540412201055
72360441052025043
oct260276464625673
946820337732608
1012120210222011
113953174773921
121438b89a6918b
1369bc142ccb78
142dc89ac08723
1516041b59e1ab
hexb05f4d32bbb

12120210222011 has 32 divisors (see below), whose sum is σ = 12366526218240. Its totient is φ = 11877435648000.

The previous prime is 12120210221971. The next prime is 12120210222013. The reversal of 12120210222011 is 11022201202121.

It is a cyclic number.

It is not a de Polignac number, because 12120210222011 - 222 = 12120206027707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120210222013) 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, 2612675030 + ... + 2612679668.

It is an arithmetic number, because the mean of its divisors is an integer number (386453944320).

Almost surely, 212120210222011 is an apocalyptic number.

12120210222011 is a deficient number, since it is larger than the sum of its proper divisors (246315996229).

12120210222011 is a wasteful number, since it uses less digits than its factorization.

12120210222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12120210222011 its reverse (11022201202121), we get a palindrome (23142411424132).

The spelling of 12120210222011 in words is "twelve trillion, one hundred twenty billion, two hundred ten million, two hundred twenty-two thousand, eleven".

Divisors: 1 151 157 191 577 4639 23707 28841 29987 87127 90589 110207 700489 728323 886049 2676703 4528037 13678939 16641257 17302499 109976773 133793399 139109693 404182153 420242371 511250273 2612677349 21005563643 63456598021 77198791223 80266292861 12120210222011