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12210130 = 254783313
BaseRepresentation
bin101110100100…
…111111010010
3211222100011001
4232210333102
511111211010
61113412214
7205533022
oct56447722
924870131
1012210130
11698a719
12410a06a
1326b683a
14189ba82
151112c3a
hexba4fd2

12210130 has 32 divisors (see below), whose sum is σ = 22788864. Its totient is φ = 4707456.

The previous prime is 12210119. The next prime is 12210137. The reversal of 12210130 is 3101221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (12210137) 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, 38854 + ... + 39166.

It is an arithmetic number, because the mean of its divisors is an integer number (712152).

Almost surely, 212210130 is an apocalyptic number.

12210130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210130 is a deficient number, since it is larger than the sum of its proper divisors (10578734).

12210130 is a wasteful number, since it uses less digits than its factorization.

12210130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 12210130 is about 3494.2996437054. The cubic root of 12210130 is about 230.2714501400.

Adding to 12210130 its reverse (3101221), we get a palindrome (15311351).

The spelling of 12210130 in words is "twelve million, two hundred ten thousand, one hundred thirty".

Divisors: 1 2 5 10 47 83 94 166 235 313 415 470 626 830 1565 3130 3901 7802 14711 19505 25979 29422 39010 51958 73555 129895 147110 259790 1221013 2442026 6105065 12210130