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12331132011222 = 236181799411883
BaseRepresentation
bin1011001101110001000010…
…1111100100001011010110
31121122211210210101011101020
42303130100233210023112
53104013124243324342
642120502134142010
72411615642453103
oct263342057441326
947584723334336
1012331132011222
113a246706039a2
121471a331b1906
136b5a892917bb
14308b8963baaa
15165b637b40ec
hexb3710be42d6

12331132011222 has 32 divisors (see below), whose sum is σ = 25066930732800. Its totient is φ = 4042934860320.

The previous prime is 12331132011203. The next prime is 12331132011241. The reversal of 12331132011222 is 22211023113321.

12331132011222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12331132011203) and next prime (12331132011241).

It is a junction number, because it is equal to n+sod(n) for n = 12331132011192 and 12331132011201.

It is a congruent number.

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, 29732493 + ... + 30144375.

It is an arithmetic number, because the mean of its divisors is an integer number (783341585400).

Almost surely, 212331132011222 is an apocalyptic number.

12331132011222 is an abundant number, since it is smaller than the sum of its proper divisors (12735798721578).

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

12331132011222 is a wasteful number, since it uses less digits than its factorization.

12331132011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493748.

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

Adding to 12331132011222 its reverse (22211023113321), we get a palindrome (34542155124543).

The spelling of 12331132011222 in words is "twelve trillion, three hundred thirty-one billion, one hundred thirty-two million, eleven thousand, two hundred twenty-two".

Divisors: 1 2 3 6 61 122 183 366 81799 163598 245397 411883 490794 823766 1235649 2471298 4989739 9979478 14969217 25124863 29938434 50249726 75374589 150749178 33691617517 67383235034 101074852551 202149705102 2055188668537 4110377337074 6165566005611 12331132011222