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12020210011002 = 2319201791522523
BaseRepresentation
bin1010111011101010110001…
…0110010000101101111010
31120120010021002210000222110
42232322230112100231322
53033414342230323002
641322001440433150
72350301003200254
oct256725426205572
946503232700873
1012020210011002
113914819204236
1214217200187b6
1369266874838b
142d7ad1b30cd4
1515ca17321e6c
hexaeeac590b7a

12020210011002 has 32 divisors (see below), whose sum is σ = 25305879121920. Its totient is φ = 3795829717680.

The previous prime is 12020210010931. The next prime is 12020210011039. The reversal of 12020210011002 is 20011001202021.

It is a super-2 number, since 2×120202100110022 (a number of 27 digits) contains 22 as substring.

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, 22742913 + ... + 23265435.

It is an arithmetic number, because the mean of its divisors is an integer number (790808722560).

Almost surely, 212020210011002 is an apocalyptic number.

12020210011002 is an abundant number, since it is smaller than the sum of its proper divisors (13285669110918).

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

12020210011002 is a wasteful number, since it uses less digits than its factorization.

12020210011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724338.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12020210011002 its reverse (20011001202021), we get a palindrome (32031211213023).

The spelling of 12020210011002 in words is "twelve trillion, twenty billion, two hundred ten million, eleven thousand, two".

Divisors: 1 2 3 6 19 38 57 114 201791 403582 522523 605373 1045046 1210746 1567569 3135138 3834029 7668058 9927937 11502087 19855874 23004174 29783811 59567622 105440438693 210880877386 316321316079 632642632158 2003368335167 4006736670334 6010105005501 12020210011002