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12210131231322 = 235036016731729
BaseRepresentation
bin1011000110101110010010…
…0010001110001001011010
31121020021111001001122221120
42301223210202032021122
53100022322043400242
641545131251350110
72400103302011043
oct261534442161132
947207431048846
1012210131231322
113988318843052
1214524a42b2336
136a754495629b
14302d8b4238ca
15162930a261ec
hexb1ae488e25a

12210131231322 has 32 divisors (see below), whose sum is σ = 24509528830080. Its totient is φ = 4055192947200.

The previous prime is 12210131231317. The next prime is 12210131231339. The reversal of 12210131231322 is 22313213101221.

It is a super-2 number, since 2×122101312313222 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12210131231292 and 12210131231301.

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, 1552047 + ... + 5179682.

It is an arithmetic number, because the mean of its divisors is an integer number (765922775940).

Almost surely, 212210131231322 is an apocalyptic number.

12210131231322 is an abundant number, since it is smaller than the sum of its proper divisors (12299397598758).

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

12210131231322 is a wasteful number, since it uses less digits than its factorization.

12210131231322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6732838.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12210131231322 its reverse (22313213101221), we get a palindrome (34523344332543).

The spelling of 12210131231322 in words is "twelve trillion, two hundred ten billion, one hundred thirty-one million, two hundred thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 3 6 503 601 1006 1202 1509 1803 3018 3606 302303 604606 906909 1813818 6731729 13463458 20195187 40390374 3386059687 4045769129 6772119374 8091538258 10158179061 12137307387 20316358122 24274614774 2035021871887 4070043743774 6105065615661 12210131231322