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12013101133220 = 22511173331508947
BaseRepresentation
bin1010111011010000010010…
…1000000010110110100100
31120112102220200011121221202
42232310010220002312210
53033310312342230340
641314424212502032
72346626562552125
oct256640450026644
946472820147852
1012013101133220
113911800455130
12142027731a918
13691aa4a10b15
142d761995204c
1515c74d19cc15
hexaed04a02da4

12013101133220 has 48 divisors (see below), whose sum is σ = 27536803979328. Its totient is φ = 4365879557760.

The previous prime is 12013101133219. The next prime is 12013101133337. The reversal of 12013101133220 is 2233110131021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12013101133192 and 12013101133201.

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, 15373214 + ... + 16135733.

It is an arithmetic number, because the mean of its divisors is an integer number (573683416236).

Almost surely, 212013101133220 is an apocalyptic number.

12013101133220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12013101133220 is an abundant number, since it is smaller than the sum of its proper divisors (15523702846108).

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

12013101133220 is a wasteful number, since it uses less digits than its factorization.

12013101133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31510700 (or 31510698 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12013101133220 its reverse (2233110131021), we get a palindrome (14246211264241).

The spelling of 12013101133220 in words is "twelve trillion, thirteen billion, one hundred one million, one hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1733 3466 6932 8665 17330 19063 34660 38126 76252 95315 190630 381260 31508947 63017894 126035788 157544735 315089470 346598417 630178940 693196834 1386393668 1732992085 3465984170 6931968340 54605005151 109210010302 218420020604 273025025755 546050051510 600655056661 1092100103020 1201310113322 2402620226644 3003275283305 6006550566610 12013101133220