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12141432220 = 225607071611
BaseRepresentation
bin10110100111010111…
…11000110110011100
31011100011020122212211
423103223320312130
5144331201312340
65324441010204
7606606320401
oct132353706634
934304218784
1012141432220
115170581805
12242a183964
1311b6553a28
148327162a8
154b0dab5ea
hex2d3af8d9c

12141432220 has 12 divisors (see below), whose sum is σ = 25497007704. Its totient is φ = 4856572880.

The previous prime is 12141432217. The next prime is 12141432287. The reversal of 12141432220 is 2223414121.

It is a junction number, because it is equal to n+sod(n) for n = 12141432191 and 12141432200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303535786 + ... + 303535825.

It is an arithmetic number, because the mean of its divisors is an integer number (2124750642).

Almost surely, 212141432220 is an apocalyptic number.

12141432220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12141432220 is an abundant number, since it is smaller than the sum of its proper divisors (13355575484).

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

12141432220 is a wasteful number, since it uses less digits than its factorization.

12141432220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607071620 (or 607071618 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12141432220 its reverse (2223414121), we get a palindrome (14364846341).

The spelling of 12141432220 in words is "twelve billion, one hundred forty-one million, four hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 607071611 1214143222 2428286444 3035358055 6070716110 12141432220