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1200211201112 = 237111948394807
BaseRepresentation
bin10001011101110010001…
…010011000110001011000
311020201221210010020102212
4101131302022120301120
5124131013031413422
62315211443214252
7152466231611510
oct21356212306130
94221853106385
101200211201112
11423008a2a670
12174738377388
1389244294491
144213a5c4840
15213485089e2
hex11772298c58

1200211201112 has 32 divisors (see below), whose sum is σ = 2805688523520. Its totient is φ = 467614753440.

The previous prime is 1200211201087. The next prime is 1200211201141. The reversal of 1200211201112 is 2111021120021.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 974196788 + ... + 974198019.

It is an arithmetic number, because the mean of its divisors is an integer number (87677766360).

Almost surely, 21200211201112 is an apocalyptic number.

It is an amenable number.

1200211201112 is an abundant number, since it is smaller than the sum of its proper divisors (1605477322408).

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

1200211201112 is a wasteful number, since it uses less digits than its factorization.

1200211201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948394831 (or 1948394827 counting only the distinct ones).

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

Adding to 1200211201112 its reverse (2111021120021), we get a palindrome (3311232321133).

The spelling of 1200211201112 in words is "one trillion, two hundred billion, two hundred eleven million, two hundred one thousand, one hundred twelve".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 1948394807 3896789614 7793579228 13638763649 15587158456 21432342877 27277527298 42864685754 54555054596 85729371508 109110109192 150026400139 171458743016 300052800278 600105600556 1200211201112