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12102441200 = 245249436121
BaseRepresentation
bin10110100010101110…
…01001100011110000
31011020102212201020222
423101113021203300
5144241211104300
65320525152212
7605624024063
oct132127114360
934212781228
1012102441200
115150570223
1224190bb668
1311ab451515
1482b4868da
154ac758785
hex2d15c98f0

12102441200 has 60 divisors (see below), whose sum is σ = 29086748448. Its totient is φ = 4839206400.

The previous prime is 12102441163. The next prime is 12102441209. The reversal of 12102441200 is 214420121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102441209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1974140 + ... + 1980260.

Almost surely, 212102441200 is an apocalyptic number.

12102441200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102441200 is an abundant number, since it is smaller than the sum of its proper divisors (16984307248).

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

12102441200 is a wasteful number, since it uses less digits than its factorization.

12102441200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11082 (or 11071 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12102441200 its reverse (214420121), we get a palindrome (12316861321).

The spelling of 12102441200 in words is "twelve billion, one hundred two million, four hundred forty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 4943 6121 9886 12242 19772 24484 24715 30605 39544 48968 49430 61210 79088 97936 98860 122420 123575 153025 197720 244840 247150 306050 395440 489680 494300 612100 988600 1224200 1977200 2448400 30256103 60512206 121024412 151280515 242048824 302561030 484097648 605122060 756402575 1210244120 1512805150 2420488240 3025610300 6051220600 12102441200