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12120231001100 = 2252169307715873
BaseRepresentation
bin1011000001011111011000…
…0100000011110000001100
31120220200102201220210020012
42300113312010003300030
53042034213114013400
641435542433412352
72360441423450345
oct260276604036014
946820381823205
1012120231001100
113953185476522
121438b94a0a0b8
1369bc186c6aa1
142dc89d8970cc
1516041d305d35
hexb05f6103c0c

12120231001100 has 36 divisors (see below), whose sum is σ = 26301093356664. Its totient is φ = 4848056993280.

The previous prime is 12120231001051. The next prime is 12120231001103. The reversal of 12120231001100 is 110013202121.

It is not an unprimeable number, because it can be changed into a prime (12120231001103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16572764 + ... + 17288636.

It is an arithmetic number, because the mean of its divisors is an integer number (730585926574).

Almost surely, 212120231001100 is an apocalyptic number.

12120231001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12120231001100 is an abundant number, since it is smaller than the sum of its proper divisors (14180862355564).

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

12120231001100 is a wasteful number, since it uses less digits than its factorization.

12120231001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885194 (or 885187 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12120231001100 its reverse (110013202121), we get a palindrome (12230244203221).

The spelling of 12120231001100 in words is "twelve trillion, one hundred twenty billion, two hundred thirty-one million, one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 169307 338614 677228 715873 846535 1431746 1693070 2863492 3386140 3579365 4232675 7158730 8465350 14317460 16930700 17896825 35793650 71587300 121202310011 242404620022 484809240044 606011550055 1212023100110 2424046200220 3030057750275 6060115500550 12120231001100