Search a number
-
+
1210202112211 = 13192377385997
BaseRepresentation
bin10001100111000101101…
…010101100000011010011
311021200202001210002221021
4101213011222230003103
5124311443220042321
62323543103140311
7153301636140301
oct21470552540323
94250661702837
101210202112211
114272755a6a94
121766662a4697
138a17711b9b1
144280745d271
15217306bd941
hex119c5aac0d3

1210202112211 has 8 divisors (see below), whose sum is σ = 1211632282080. Its totient is φ = 1208772721728.

The previous prime is 1210202112199. The next prime is 1210202112227. The reversal of 1210202112211 is 1122112020121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1210202112211 - 25 = 1210202112179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210202112011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2942265 + ... + 3328261.

It is an arithmetic number, because the mean of its divisors is an integer number (151454035260).

Almost surely, 21210202112211 is an apocalyptic number.

1210202112211 is a deficient number, since it is larger than the sum of its proper divisors (1430169869).

1210202112211 is a wasteful number, since it uses less digits than its factorization.

1210202112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389693.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1210202112211 its reverse (1122112020121), we get a palindrome (2332314132332).

The spelling of 1210202112211 in words is "one trillion, two hundred ten billion, two hundred two million, one hundred twelve thousand, two hundred eleven".

Divisors: 1 1319 2377 385997 3135263 509130043 917514869 1210202112211