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1111201201200 = 2435229435314011
BaseRepresentation
bin10000001010111000110…
…000001011110000110000
310221020012112002202010110
4100022320300023300300
5121201220001414300
62210251230101320
7143165413236546
oct20127060136060
93836175082113
101111201201200
11399292122272
1215b43704a840
1380a2a5ba88c
143bad4d8dd96
151dd89035550
hex102b8c0bc30

1111201201200 has 480 divisors, whose sum is σ = 3839292483840. Its totient is φ = 274156646400.

The previous prime is 1111201201183. The next prime is 1111201201213. The reversal of 1111201201200 is 21021021111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 79302195 + ... + 79316205.

It is an arithmetic number, because the mean of its divisors is an integer number (7998526008).

Almost surely, 21111201201200 is an apocalyptic number.

1111201201200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111201201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1919646241920).

1111201201200 is an abundant number, since it is smaller than the sum of its proper divisors (2728091282640).

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

1111201201200 is a wasteful number, since it uses less digits than its factorization.

1111201201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14157 (or 14146 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1111201201200 its reverse (21021021111), we get a palindrome (1132222222311).

The spelling of 1111201201200 in words is "one trillion, one hundred eleven billion, two hundred one million, two hundred one thousand, two hundred".