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2011120211212 = 227518711384699
BaseRepresentation
bin11101010001000000000…
…110110001010100001100
321010021001102111002222121
4131101000012301110030
5230422233233224322
64135521301422324
7265204301511640
oct35210006612414
97107042432877
102011120211212
11705a02a25092
1228592810a9a4
1311785635aac8
146d4a56d2c20
15374a93b4ec7
hex1d4401b150c

2011120211212 has 24 divisors (see below), whose sum is σ = 4022320870400. Its totient is φ = 861891423120.

The previous prime is 2011120211207. The next prime is 2011120211231. The reversal of 2011120211212 is 2121120211102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760039 + ... + 2144737.

Almost surely, 22011120211212 is an apocalyptic number.

It is an amenable number.

2011120211212 is an abundant number, since it is smaller than the sum of its proper divisors (2011200659188).

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

2011120211212 is a wasteful number, since it uses less digits than its factorization.

2011120211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436581 (or 1436579 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2011120211212 its reverse (2121120211102), we get a palindrome (4132240422314).

The spelling of 2011120211212 in words is "two trillion, eleven billion, one hundred twenty million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 51871 103742 207484 363097 726194 1384699 1452388 2769398 5538796 9692893 19385786 38771572 71825721829 143651443658 287302887316 502780052803 1005560105606 2011120211212