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12022212040 = 2351567191803
BaseRepresentation
bin10110011001001010…
…00110010111001000
31011000211220122112121
423030211012113020
5144110141241130
65304541421024
7603631054606
oct131445062710
934024818477
1012022212040
11510a252933
1223b626a774
131197940a47
14820960876
154a56abd7a
hex2cc9465c8

12022212040 has 32 divisors (see below), whose sum is σ = 27067380480. Its totient is φ = 4805790912.

The previous prime is 12022211969. The next prime is 12022212047. The reversal of 12022212040 is 4021222021.

It is not an unprimeable number, because it can be changed into a prime (12022212047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33222 + ... + 158581.

It is an arithmetic number, because the mean of its divisors is an integer number (845855640).

Almost surely, 212022212040 is an apocalyptic number.

12022212040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022212040 is an abundant number, since it is smaller than the sum of its proper divisors (15045168440).

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

12022212040 is a wasteful number, since it uses less digits than its factorization.

12022212040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193381 (or 193377 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12022212040 its reverse (4021222021), we get a palindrome (16043434061).

The spelling of 12022212040 in words is "twelve billion, twenty-two million, two hundred twelve thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 1567 3134 6268 7835 12536 15670 31340 62680 191803 383606 767212 959015 1534424 1918030 3836060 7672120 300555301 601110602 1202221204 1502776505 2404442408 3005553010 6011106020 12022212040