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1201130212211 = 7891691522019
BaseRepresentation
bin10001011110101000111…
…100001000101101110011
311020211022211101211122222
4101132220330020231303
5124134403313242321
62315442552551255
7152531061230246
oct21365074105563
94224284354588
101201130212211
1142343a767276
121749540b252b
138935c7b6127
14421c668d25d
152139e03d3ab
hex117a8f08b73

1201130212211 has 4 divisors (see below), whose sum is σ = 1201132523400. Its totient is φ = 1201127901024.

The previous prime is 1201130212199. The next prime is 1201130212223. The reversal of 1201130212211 is 1122120311021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1201130212199) and next prime (1201130212223).

It is a cyclic number.

It is not a de Polignac number, because 1201130212211 - 26 = 1201130212147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201130212211.

It is not an unprimeable number, because it can be changed into a prime (1201130212231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28160 + ... + 1550178.

It is an arithmetic number, because the mean of its divisors is an integer number (300283130850).

Almost surely, 21201130212211 is an apocalyptic number.

1201130212211 is a deficient number, since it is larger than the sum of its proper divisors (2311189).

1201130212211 is an equidigital number, since it uses as much as digits as its factorization.

1201130212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311188.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1201130212211 its reverse (1122120311021), we get a palindrome (2323250523232).

The spelling of 1201130212211 in words is "one trillion, two hundred one billion, one hundred thirty million, two hundred twelve thousand, two hundred eleven".

Divisors: 1 789169 1522019 1201130212211