Search a number
-
+
1200210221211 = 37315136294119
BaseRepresentation
bin10001011101110010000…
…110101001100010011011
311020201221201021110021020
4101131302012221202123
5124131012304034321
62315211410213523
7152466220360611
oct21356206514233
94221851243236
101200210221211
11423008420431
12174737b842a3
1389244010461
144213a40b6b1
15213483b34c6
hex117721a989b

1200210221211 has 16 divisors (see below), whose sum is σ = 1632945047040. Its totient is φ = 783952948800.

The previous prime is 1200210221173. The next prime is 1200210221227. The reversal of 1200210221211 is 1121220120021.

It is not a de Polignac number, because 1200210221211 - 214 = 1200210204827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200210221291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18113991 + ... + 18180128.

It is an arithmetic number, because the mean of its divisors is an integer number (102059065440).

Almost surely, 21200210221211 is an apocalyptic number.

1200210221211 is a deficient number, since it is larger than the sum of its proper divisors (432734825829).

1200210221211 is a wasteful number, since it uses less digits than its factorization.

1200210221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36294346.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1200210221211 its reverse (1121220120021), we get a palindrome (2321430341232).

The spelling of 1200210221211 in words is "one trillion, two hundred billion, two hundred ten million, two hundred twenty-one thousand, two hundred eleven".

Divisors: 1 3 73 151 219 453 11023 33069 36294119 108882357 2649470687 5480411969 7948412061 16441235907 400070073737 1200210221211