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11110020211212 = 22313307231980711
BaseRepresentation
bin1010000110101100000011…
…0011101110001000001100
31110100002220102002111020220
42201223000303232020030
52424011310133224322
635343512310311340
72224446441432516
oct241530063561014
943302812074226
1011110020211212
1135a3807853aaa
1212b5243358550
13627893b79550
142a5a292dabb6
15143ee544555c
hexa1ac0cee20c

11110020211212 has 48 divisors (see below), whose sum is σ = 28008423244032. Its totient is φ = 3407332668480.

The previous prime is 11110020211123. The next prime is 11110020211223. The reversal of 11110020211212 is 21211202001111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11110020211191 and 11110020211200.

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, 115942464 + ... + 116038247.

It is an arithmetic number, because the mean of its divisors is an integer number (583508817584).

Almost surely, 211110020211212 is an apocalyptic number.

11110020211212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11110020211212 is an abundant number, since it is smaller than the sum of its proper divisors (16898403032820).

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

11110020211212 is a wasteful number, since it uses less digits than its factorization.

11110020211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231981038 (or 231981036 counting only the distinct ones).

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

Adding to 11110020211212 its reverse (21211202001111), we get a palindrome (32321222212323).

The spelling of 11110020211212 in words is "eleven trillion, one hundred ten billion, twenty million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 307 614 921 1228 1842 3684 3991 7982 11973 15964 23946 47892 231980711 463961422 695942133 927922844 1391884266 2783768532 3015749243 6031498486 9047247729 12062996972 18094495458 36188990916 71218078277 142436156554 213654234831 284872313108 427308469662 854616939324 925835017601 1851670035202 2777505052803 3703340070404 5555010105606 11110020211212