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12200230232 = 233607422797
BaseRepresentation
bin10110101110011000…
…01011110101011000
31011111020212220120222
423113030023311120
5144441224331412
65334341135212
7611222150231
oct132714136530
934436786528
1012200230232
1151a0791603
1224459ba508
1311c579c858
1483a460088
154b6123072
hex2d730bd58

12200230232 has 16 divisors (see below), whose sum is σ = 22881827760. Its totient is φ = 6098409504.

The previous prime is 12200230171. The next prime is 12200230253. The reversal of 12200230232 is 23203200221.

It is a self number, because there is not a number n which added to its sum of digits gives 12200230232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182543 + ... + 240254.

It is an arithmetic number, because the mean of its divisors is an integer number (1430114235).

Almost surely, 212200230232 is an apocalyptic number.

It is an amenable number.

12200230232 is a deficient number, since it is larger than the sum of its proper divisors (10681597528).

12200230232 is a wasteful number, since it uses less digits than its factorization.

12200230232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426410 (or 426406 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 12200230232 its reverse (23203200221), we get a palindrome (35403430453).

The spelling of 12200230232 in words is "twelve billion, two hundred million, two hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 3607 7214 14428 28856 422797 845594 1691188 3382376 1525028779 3050057558 6100115116 12200230232