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12021203220132 = 22311511283678367
BaseRepresentation
bin1010111011101110011110…
…0011000011011010100100
31120120012211022200021202210
42232323213203003122210
53033423411011021012
641322244200403420
72350334423265561
oct256734743033244
946505738607683
1012021203220132
113915188909a27
121421958776570
136927964485a2
142d7b879d1868
1515ca7461123c
hexaeee78c36a4

12021203220132 has 48 divisors (see below), whose sum is σ = 28095766659072. Its totient is φ = 4000459975200.

The previous prime is 12021203220109. The next prime is 12021203220157. The reversal of 12021203220132 is 23102230212021.

It is a junction number, because it is equal to n+sod(n) for n = 12021203220099 and 12021203220108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17381613 + ... + 18059979.

It is an arithmetic number, because the mean of its divisors is an integer number (585328472064).

Almost surely, 212021203220132 is an apocalyptic number.

12021203220132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12021203220132 is an abundant number, since it is smaller than the sum of its proper divisors (16074563438940).

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

12021203220132 is a wasteful number, since it uses less digits than its factorization.

12021203220132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680808 (or 680806 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12021203220132 its reverse (23102230212021), we get a palindrome (35123433432153).

The spelling of 12021203220132 in words is "twelve trillion, twenty-one billion, two hundred three million, two hundred twenty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 1151 1283 2302 2566 3453 3849 4604 5132 6906 7698 13812 15396 678367 1356734 1476733 2035101 2713468 2953466 4070202 4430199 5906932 8140404 8860398 17720796 780800417 870344861 1561600834 1740689722 2342401251 2611034583 3123201668 3481379444 4684802502 5222069166 9369605004 10444138332 1001766935011 2003533870022 3005300805033 4007067740044 6010601610066 12021203220132