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211110201012012 = 22343099940817999
BaseRepresentation
bin110000000000000011101100…
…100010100010111100101100
31000200110221022212221011220020
4300000003230202202330230
5210132312142424341022
62024554404255122140
762316131403612351
oct6000035442427454
91020427285834806
10211110201012012
11612a23739266a5
121b8166a3213350
1390a47b672c943
143a1bb06d46628
1519616da2ea35c
hexc000ec8a2f2c

211110201012012 has 24 divisors (see below), whose sum is σ = 492591624000000. Its totient is φ = 70369902008016.

The previous prime is 211110201011999. The next prime is 211110201012031. The reversal of 211110201012012 is 210210102011112.

It is a happy number.

It is a super-2 number, since 2×2111102010120122 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211110201011982 and 211110201012000.

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, 15237012 + ... + 25580987.

It is an arithmetic number, because the mean of its divisors is an integer number (20524651000000).

Almost surely, 2211110201012012 is an apocalyptic number.

It is an amenable number.

211110201012012 is an abundant number, since it is smaller than the sum of its proper divisors (281481422987988).

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

211110201012012 is a wasteful number, since it uses less digits than its factorization.

211110201012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41249005 (or 41249003 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211110201012012 its reverse (210210102011112), we get a palindrome (421320303023124).

The spelling of 211110201012012 in words is "two hundred eleven trillion, one hundred ten billion, two hundred one million, twelve thousand, twelve".

Divisors: 1 2 3 4 6 12 430999 861998 1292997 1723996 2585994 5171988 40817999 81635998 122453997 163271996 244907994 489815988 17592516751001 35185033502002 52777550253003 70370067004004 105555100506006 211110201012012