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1201201100012 = 221717664722059
BaseRepresentation
bin10001011110101101001…
…010100011010011101100
311020211111202210022110002
4101132231022203103230
5124140024440200022
62315454004203432
7152532611612234
oct21365512432354
94224452708402
101201201100012
11423476784331
12174973999578
13893713a5a84
14421d1c62cc4
15213a5392092
hex117ad2a34ec

1201201100012 has 12 divisors (see below), whose sum is σ = 2225754979560. Its totient is φ = 565271105856.

The previous prime is 1201201099981. The next prime is 1201201100039. The reversal of 1201201100012 is 2100011021021.

It is a junction number, because it is equal to n+sod(n) for n = 1201201099966 and 1201201100002.

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, 8832360962 + ... + 8832361097.

It is an arithmetic number, because the mean of its divisors is an integer number (185479581630).

Almost surely, 21201201100012 is an apocalyptic number.

It is an amenable number.

1201201100012 is a deficient number, since it is larger than the sum of its proper divisors (1024553879548).

1201201100012 is a wasteful number, since it uses less digits than its factorization.

1201201100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17664722080 (or 17664722078 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1201201100012 its reverse (2100011021021), we get a palindrome (3301212121033).

The spelling of 1201201100012 in words is "one trillion, two hundred one billion, two hundred one million, one hundred thousand, twelve".

Divisors: 1 2 4 17 34 68 17664722059 35329444118 70658888236 300300275003 600600550006 1201201100012