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12212320294 = 217477642253
BaseRepresentation
bin10110101111110100…
…10011100000100110
31011112002122011001001
423113322103200212
5200002323222134
65335452223514
7611430003226
oct132772234046
934462564031
1012212320294
1151a7599a99
122449a6ab9a
1311c8143835
1483bcca086
154b7210414
hex2d7e93826

12212320294 has 16 divisors (see below), whose sum is σ = 19808722368. Its totient is φ = 5624697472.

The previous prime is 12212320291. The next prime is 12212320301. The reversal of 12212320294 is 49202321221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212320291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3819529 + ... + 3822724.

It is an arithmetic number, because the mean of its divisors is an integer number (1238045148).

Almost surely, 212212320294 is an apocalyptic number.

12212320294 is a deficient number, since it is larger than the sum of its proper divisors (7596402074).

12212320294 is a wasteful number, since it uses less digits than its factorization.

12212320294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7642319.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 12212320294 in words is "twelve billion, two hundred twelve million, three hundred twenty thousand, two hundred ninety-four".

Divisors: 1 2 17 34 47 94 799 1598 7642253 15284506 129918301 259836602 359185891 718371782 6106160147 12212320294