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12022608872 = 2319442117891
BaseRepresentation
bin10110011001001101…
…00111001111101000
31011000212122210220002
423030212213033220
5144110241440442
65304554122132
7603634326551
oct131446471750
934025583802
1012022608872
11510a4a3a9a
1223b6420348
131197a4c561
14820a25328
154a5739732
hex2cc9a73e8

12022608872 has 32 divisors (see below), whose sum is σ = 23735527200. Its totient is φ = 5693313600.

The previous prime is 12022608869. The next prime is 12022608893. The reversal of 12022608872 is 27880622021.

It is a happy number.

It is a super-2 number, since 2×120226088722 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 663047 + ... + 680937.

It is an arithmetic number, because the mean of its divisors is an integer number (741735225).

Almost surely, 212022608872 is an apocalyptic number.

It is an amenable number.

12022608872 is a deficient number, since it is larger than the sum of its proper divisors (11712918328).

12022608872 is a wasteful number, since it uses less digits than its factorization.

12022608872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22337 (or 22333 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 12022608872 in words is "twelve billion, twenty-two million, six hundred eight thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 19 38 76 152 4421 8842 17684 17891 35368 35782 71564 83999 143128 167998 335996 339929 671992 679858 1359716 2719432 79096111 158192222 316384444 632768888 1502826109 3005652218 6011304436 12022608872