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11231222210012 = 2272771448068877
BaseRepresentation
bin1010001101101111100100…
…0000101001110111011100
31110202200202012000222010102
42203123321000221313130
52433003020341210022
635515315142000232
72236300104426560
oct243337100516734
943680665028112
1011231222210012
11364015315a662
121314829716078
1363613b0a7abc
142ab8461336a0
1514723abcda92
hexa36f9029ddc

11231222210012 has 24 divisors (see below), whose sum is σ = 22543536292704. Its totient is φ = 4796004117312.

The previous prime is 11231222209973. The next prime is 11231222210083. The reversal of 11231222210012 is 21001222213211.

It is a super-2 number, since 2×112312222100122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724026683 + ... + 724042194.

It is an arithmetic number, because the mean of its divisors is an integer number (939314012196).

Almost surely, 211231222210012 is an apocalyptic number.

It is an amenable number.

11231222210012 is an abundant number, since it is smaller than the sum of its proper divisors (11312314082692).

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

11231222210012 is a wasteful number, since it uses less digits than its factorization.

11231222210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448069165 (or 1448069163 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11231222210012 its reverse (21001222213211), we get a palindrome (32232444423223).

The spelling of 11231222210012 in words is "eleven trillion, two hundred thirty-one billion, two hundred twenty-two million, two hundred ten thousand, twelve".

Divisors: 1 2 4 7 14 28 277 554 1108 1939 3878 7756 1448068877 2896137754 5792275508 10136482139 20272964278 40545928556 401115078929 802230157858 1604460315716 2807805552503 5615611105006 11231222210012