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12207227422 = 2132335713529
BaseRepresentation
bin10110101111001101…
…11000001000011110
31011111202001101221011
423113212320020132
5200000022234142
65335151125434
7611335502215
oct132746701036
934452041834
1012207227422
1151a4730705
12244821387a
1311c707c6c0
1483b36207c
154b6a56417
hex2d79b821e

12207227422 has 32 divisors (see below), whose sum is σ = 19844304480. Its totient is φ = 5598512640.

The previous prime is 12207227353. The next prime is 12207227423. The reversal of 12207227422 is 22472270221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12207227423) 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, 3457354 + ... + 3460882.

It is an arithmetic number, because the mean of its divisors is an integer number (620134515).

Almost surely, 212207227422 is an apocalyptic number.

12207227422 is a deficient number, since it is larger than the sum of its proper divisors (7637077058).

12207227422 is a wasteful number, since it uses less digits than its factorization.

12207227422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348.

The product of its (nonzero) digits is 12544, while the sum is 31.

Adding to 12207227422 its reverse (22472270221), we get a palindrome (34679497643).

The spelling of 12207227422 in words is "twelve billion, two hundred seven million, two hundred twenty-seven thousand, four hundred twenty-two".

Divisors: 1 2 13 26 233 466 571 1142 3029 3529 6058 7058 7423 14846 45877 91754 133043 266086 822257 1644514 1729559 2015059 3459118 4030118 10689341 21378682 26195767 52391534 469508747 939017494 6103613711 12207227422