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12101100202112 = 27211448056139
BaseRepresentation
bin1011000000011000000111…
…0001110110100010000000
31120211212001110221111121112
42300012001301312202000
53041231023122431422
641423100234142452
72356163354365235
oct260060161664200
946755043844545
1012101100202112
113946058653049
121435335b81a28
1369a18a120c9c
142db9a6bd178c
1515eb9da30ee2
hexb0181c76880

12101100202112 has 32 divisors (see below), whose sum is σ = 24221914928400. Its totient is φ = 6021874494720.

The previous prime is 12101100202073. The next prime is 12101100202171. The reversal of 12101100202112 is 21120200110121.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×121011002021122 (a number of 27 digits) contains 22 as substring.

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, 224001062 + ... + 224055077.

Almost surely, 212101100202112 is an apocalyptic number.

It is an amenable number.

12101100202112 is an abundant number, since it is smaller than the sum of its proper divisors (12120814726288).

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

12101100202112 is an equidigital number, since it uses as much as digits as its factorization.

12101100202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448056364 (or 448056352 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12101100202112 its reverse (21120200110121), we get a palindrome (33221300312233).

The spelling of 12101100202112 in words is "twelve trillion, one hundred one billion, one hundred million, two hundred two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 211 422 844 1688 3376 6752 13504 27008 448056139 896112278 1792224556 3584449112 7168898224 14337796448 28675592896 57351185792 94539845329 189079690658 378159381316 756318762632 1512637525264 3025275050528 6050550101056 12101100202112