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12233907312 = 2431122106389
BaseRepresentation
bin10110110010011001…
…01001110001110000
31011120121020212212020
423121030221301300
5200023340013222
65341543031440
7612111332154
oct133114516160
934517225766
1012233907312
1152087a3700
12245513b580
1311cc761413
14840b09064
154b907665c
hex2d9329c70

12233907312 has 60 divisors (see below), whose sum is σ = 34738583880. Its totient is φ = 3707242880.

The previous prime is 12233907311. The next prime is 12233907313. The reversal of 12233907312 is 21370933221.

It is an interprime number because it is at equal distance from previous prime (12233907311) and next prime (12233907313).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233907311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1047387 + ... + 1059002.

It is an arithmetic number, because the mean of its divisors is an integer number (578976398).

Almost surely, 212233907312 is an apocalyptic number.

12233907312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12233907312 is an abundant number, since it is smaller than the sum of its proper divisors (22504676568).

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

12233907312 is a wasteful number, since it uses less digits than its factorization.

12233907312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106422 (or 2106405 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 33.

The spelling of 12233907312 in words is "twelve billion, two hundred thirty-three million, nine hundred seven thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 121 132 176 242 264 363 484 528 726 968 1452 1936 2904 5808 2106389 4212778 6319167 8425556 12638334 16851112 23170279 25276668 33702224 46340558 50553336 69510837 92681116 101106672 139021674 185362232 254873069 278043348 370724464 509746138 556086696 764619207 1019492276 1112173392 1529238414 2038984552 3058476828 4077969104 6116953656 12233907312