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1322230312212 = 2232319724318221
BaseRepresentation
bin10011001111011011000…
…100010110110100010100
311200101220111121022122220
4103033123010112310110
5133130411424442322
62451231344222340
7164346046133265
oct23173304266424
94611814538586
101322230312212
1146a8335a4847
1219431030a9b0
13978bb887834
1447dd3b5c96c
15245da89955c
hex133db116d14

1322230312212 has 48 divisors (see below), whose sum is σ = 3235685346432. Its totient is φ = 419440658560.

The previous prime is 1322230312211. The next prime is 1322230312303. The reversal of 1322230312212 is 2122130322231.

It is a super-3 number, since 3×13222303122123 (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322230312211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12104739 + ... + 12213482.

It is an arithmetic number, because the mean of its divisors is an integer number (67410111384).

Almost surely, 21322230312212 is an apocalyptic number.

1322230312212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1322230312212 is an abundant number, since it is smaller than the sum of its proper divisors (1913455034220).

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

1322230312212 is a wasteful number, since it uses less digits than its factorization.

1322230312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24318448 (or 24318446 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1322230312212 its reverse (2122130322231), we get a palindrome (3444360634443).

The spelling of 1322230312212 in words is "one trillion, three hundred twenty-two billion, two hundred thirty million, three hundred twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 197 276 394 591 788 1182 2364 4531 9062 13593 18124 27186 54372 24318221 48636442 72954663 97272884 145909326 291818652 559319083 1118638166 1677957249 2237276332 3355914498 4790689537 6711828996 9581379074 14372068611 19162758148 28744137222 57488274444 110185859351 220371718702 330557578053 440743437404 661115156106 1322230312212