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12000022210 = 25111031059137
BaseRepresentation
bin10110010110100000…
…11100111011000010
31010222022011021211001
423023100130323002
5144034001202320
65302430042214
7603241335331
oct131320347302
933868137731
1012000022210
1150a8777330
1223aa94936a
131193171977
1481ba25d18
154a377720a
hex2cb41cec2

12000022210 has 32 divisors (see below), whose sum is σ = 23792476032. Its totient is φ = 4321274880.

The previous prime is 12000022207. The next prime is 12000022219. The reversal of 12000022210 is 1222000021.

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 (12000022219) 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, 518239 + ... + 540898.

It is an arithmetic number, because the mean of its divisors is an integer number (743514876).

Almost surely, 212000022210 is an apocalyptic number.

12000022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12000022210 is a deficient number, since it is larger than the sum of its proper divisors (11792453822).

12000022210 is a wasteful number, since it uses less digits than its factorization.

12000022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059258.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12000022210 its reverse (1222000021), we get a palindrome (13222022231).

The spelling of 12000022210 in words is "twelve billion, twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 103 110 206 515 1030 1133 2266 5665 11330 1059137 2118274 5295685 10591370 11650507 23301014 58252535 109091111 116505070 218182222 545455555 1090911110 1200002221 2400004442 6000011105 12000022210