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12132203132 = 2271074049467
BaseRepresentation
bin10110100110010001…
…01011101001111100
31011022111212202221202
423103020223221330
5144321321000012
65323511115032
7606435011420
oct132310535174
934274782852
1012132203132
115166348865
122427072a78
1311b467202a
148313d2b80
154b0186cc2
hex2d322ba7c

12132203132 has 24 divisors (see below), whose sum is σ = 24491182464. Its totient is φ = 5150920752.

The previous prime is 12132203081. The next prime is 12132203177. The reversal of 12132203132 is 23130223121.

It is a super-2 number, since 2×121322031322 (a number of 21 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, 2021738 + ... + 2027729.

It is an arithmetic number, because the mean of its divisors is an integer number (1020465936).

Almost surely, 212132203132 is an apocalyptic number.

It is an amenable number.

12132203132 is an abundant number, since it is smaller than the sum of its proper divisors (12358979332).

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

12132203132 is a wasteful number, since it uses less digits than its factorization.

12132203132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049585 (or 4049583 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12132203132 its reverse (23130223121), we get a palindrome (35262426253).

The spelling of 12132203132 in words is "twelve billion, one hundred thirty-two million, two hundred three thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 107 214 428 749 1498 2996 4049467 8098934 16197868 28346269 56692538 113385076 433292969 866585938 1733171876 3033050783 6066101566 12132203132