Search a number
-
+
1200210200210 = 257139912255797
BaseRepresentation
bin10001011101110010000…
…110100100011010010010
311020201221201020101110102
4101131302012210122102
5124131012302401320
62315211405532402
7152466220242440
oct21356206443222
94221851211412
101200210200210
1142300840667a
12174737b74102
1389244003a28
144213a403b90
15213483ac175
hex117721a4692

1200210200210 has 32 divisors (see below), whose sum is σ = 2470768876800. Its totient is φ = 411206467392.

The previous prime is 1200210200191. The next prime is 1200210200219. The reversal of 1200210200210 is 120020120021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1200210200191 and 1200210200200.

It is not an unprimeable number, because it can be changed into a prime (1200210200219) 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, 6029969 + ... + 6225828.

It is an arithmetic number, because the mean of its divisors is an integer number (77211527400).

Almost surely, 21200210200210 is an apocalyptic number.

1200210200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200210200210 is an abundant number, since it is smaller than the sum of its proper divisors (1270558676590).

1200210200210 is a wasteful number, since it uses less digits than its factorization.

1200210200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12257210.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1200210200210 its reverse (120020120021), we get a palindrome (1320230320231).

The spelling of 1200210200210 in words is "one trillion, two hundred billion, two hundred ten million, two hundred thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 70 1399 2798 6995 9793 13990 19586 48965 97930 12255797 24511594 61278985 85790579 122557970 171581158 428952895 857905790 17145860003 34291720006 85729300015 120021020021 171458600030 240042040042 600105100105 1200210200210