Search a number
-
+
12220210210 = 251394001617
BaseRepresentation
bin10110110000110000…
…11001110000100010
31011112122110222222011
423120120121300202
5200011333211320
65340333303134
7611554034005
oct133030316042
934478428864
1012220210210
115200a9888a
122450634aaa
1311c9976b20
1483cd8153c
154b7c6d05a
hex2d8619c22

12220210210 has 16 divisors (see below), whose sum is σ = 23688407736. Its totient is φ = 4512077568.

The previous prime is 12220210207. The next prime is 12220210229. The reversal of 12220210210 is 1201202221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10525323649 + 1694886561 = 102593^2 + 41169^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47000679 + ... + 47000938.

Almost surely, 212220210210 is an apocalyptic number.

12220210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220210210 is a deficient number, since it is larger than the sum of its proper divisors (11468197526).

12220210210 is a wasteful number, since it uses less digits than its factorization.

12220210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94001637.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12220210210 its reverse (1201202221), we get a palindrome (13421412431).

The spelling of 12220210210 in words is "twelve billion, two hundred twenty million, two hundred ten thousand, two hundred ten".

Divisors: 1 2 5 10 13 26 65 130 94001617 188003234 470008085 940016170 1222021021 2444042042 6110105105 12220210210