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12231020002 = 279157493067
BaseRepresentation
bin10110110010000011…
…01000110111100010
31011120101211012012211
423121001220313202
5200022120120002
65341401112334
7612044645305
oct133101506742
934511735184
1012231020002
1152071013a3
1224541886aa
1311cbc90156
14840596b3c
154b8ba5dd7
hex2d9068de2

12231020002 has 16 divisors (see below), whose sum is σ = 18697138560. Its totient is φ = 5999627088.

The previous prime is 12231019991. The next prime is 12231020003. The reversal of 12231020002 is 20002013221.

It is not an unprimeable number, because it can be changed into a prime (12231020003) 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, 221728 + ... + 271339.

It is an arithmetic number, because the mean of its divisors is an integer number (1168571160).

Almost surely, 212231020002 is an apocalyptic number.

12231020002 is a deficient number, since it is larger than the sum of its proper divisors (6466118558).

12231020002 is a wasteful number, since it uses less digits than its factorization.

12231020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493305.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12231020002 its reverse (20002013221), we get a palindrome (32233033223).

The spelling of 12231020002 in words is "twelve billion, two hundred thirty-one million, twenty thousand, two".

Divisors: 1 2 79 157 158 314 12403 24806 493067 986134 38952293 77411519 77904586 154823038 6115510001 12231020002