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12001203132 = 2231291774671
BaseRepresentation
bin10110010110101001…
…11101001110111100
31010222101101021201220
423023110331032330
5144034302000012
65302511233340
7603254354262
oct131324751674
933871337656
1012001203132
1150a94035a6
1223ab218850
131193496339
1481bc52432
154a390c08c
hex2cb53d3bc

12001203132 has 24 divisors (see below), whose sum is σ = 28024534272. Its totient is φ = 3997297200.

The previous prime is 12001203107. The next prime is 12001203167. The reversal of 12001203132 is 23130210021.

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, 371844 + ... + 402827.

It is an arithmetic number, because the mean of its divisors is an integer number (1167688928).

Almost surely, 212001203132 is an apocalyptic number.

12001203132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12001203132 is an abundant number, since it is smaller than the sum of its proper divisors (16023331140).

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

12001203132 is a wasteful number, since it uses less digits than its factorization.

12001203132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775969 (or 775967 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12001203132 its reverse (23130210021), we get a palindrome (35131413153).

The spelling of 12001203132 in words is "twelve billion, one million, two hundred three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 1291 2582 3873 5164 7746 15492 774671 1549342 2324013 3098684 4648026 9296052 1000100261 2000200522 3000300783 4000401044 6000601566 12001203132