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12320101100 = 2252123201011
BaseRepresentation
bin10110111100101010…
…11101001011101100
31011210121102222111202
423132111131023230
5200212421213400
65354302305032
7614206063046
oct133625351354
934717388452
1012320101100
11525241533a
122479b88178
13121457ca68
1484c344a96
154c19004d5
hex2de55d2ec

12320101100 has 18 divisors (see below), whose sum is σ = 26734619604. Its totient is φ = 4928040400.

The previous prime is 12320101091. The next prime is 12320101139. The reversal of 12320101100 is 110102321.

It is a super-2 number, since 2×123201011002 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61600406 + ... + 61600605.

Almost surely, 212320101100 is an apocalyptic number.

12320101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320101100 is an abundant number, since it is smaller than the sum of its proper divisors (14414518504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12320101100 is a wasteful number, since it uses less digits than its factorization.

12320101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123201025 (or 123201018 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12320101100 its reverse (110102321), we get a palindrome (12430203421).

The spelling of 12320101100 in words is "twelve billion, three hundred twenty million, one hundred one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 123201011 246402022 492804044 616005055 1232010110 2464020220 3080025275 6160050550 12320101100