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2122211223312 = 243431102581749
BaseRepresentation
bin11110111000011101101…
…001010110011100010000
321111212210112211020121020
4132320131221112130100
5234232242033121222
64302532543355440
7306216241522455
oct36703551263420
97455715736536
102122211223312
1174902aa00794
122a33702b2b80
1312517b8ac6ab
1474a0375582c
153a30c16a65c
hex1ee1da56710

2122211223312 has 40 divisors (see below), whose sum is σ = 5495099184000. Its totient is φ = 705762426240.

The previous prime is 2122211223299. The next prime is 2122211223337. The reversal of 2122211223312 is 2133221122212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

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, 51270187 + ... + 51311562.

It is an arithmetic number, because the mean of its divisors is an integer number (137377479600).

Almost surely, 22122211223312 is an apocalyptic number.

It is an amenable number.

2122211223312 is an abundant number, since it is smaller than the sum of its proper divisors (3372887960688).

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

2122211223312 is a wasteful number, since it uses less digits than its factorization.

2122211223312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102582191 (or 102582185 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 2122211223312 its reverse (2133221122212), we get a palindrome (4255432345524).

The spelling of 2122211223312 in words is "two trillion, one hundred twenty-two billion, two hundred eleven million, two hundred twenty-three thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 431 862 1293 1724 2586 3448 5172 6896 10344 20688 102581749 205163498 307745247 410326996 615490494 820653992 1230980988 1641307984 2461961976 4923923952 44212733819 88425467638 132638201457 176850935276 265276402914 353701870552 530552805828 707403741104 1061105611656 2122211223312