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12100211000 = 235312100211
BaseRepresentation
bin10110100010011101…
…01001000100111000
31011020021200101222222
423101032221010320
5144240123223000
65320405303212
7605566045043
oct132116510470
934207611888
1012100211000
11514a287689
122418404b08
1311aab50387
1482b065c5a
154ac467a85
hex2d13a9138

12100211000 has 32 divisors (see below), whose sum is σ = 28314496080. Its totient is φ = 4840084000.

The previous prime is 12100210987. The next prime is 12100211021. The reversal of 12100211000 is 11200121.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6049106 + ... + 6051105.

Almost surely, 212100211000 is an apocalyptic number.

12100211000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100211000 is an abundant number, since it is smaller than the sum of its proper divisors (16214285080).

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

12100211000 is a wasteful number, since it uses less digits than its factorization.

12100211000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12100232 (or 12100218 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12100211000 its reverse (11200121), we get a palindrome (12111411121).

The spelling of 12100211000 in words is "twelve billion, one hundred million, two hundred eleven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 12100211 24200422 48400844 60501055 96801688 121002110 242004220 302505275 484008440 605010550 1210021100 1512526375 2420042200 3025052750 6050105500 12100211000