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12002002230 = 235400066741
BaseRepresentation
bin10110010110110000…
…00000010100110110
31010222102212212220010
423023120000110312
5144040003032410
65302540321050
7603264223101
oct131330002466
933872785803
1012002002230
1150a98a9a09
1223ab543186
1311936b5c8a
1481bdbd738
154a3a18c20
hex2cb600536

12002002230 has 16 divisors (see below), whose sum is σ = 28804805424. Its totient is φ = 3200533920.

The previous prime is 12002002219. The next prime is 12002002247. The reversal of 12002002230 is 3220020021.

It is a congruent number.

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, 200033341 + ... + 200033400.

It is an arithmetic number, because the mean of its divisors is an integer number (1800300339).

Almost surely, 212002002230 is an apocalyptic number.

12002002230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12002002230 is an abundant number, since it is smaller than the sum of its proper divisors (16802803194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12002002230 is a wasteful number, since it uses less digits than its factorization.

12002002230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400066751.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 12002002230 its reverse (3220020021), we get a palindrome (15222022251).

The spelling of 12002002230 in words is "twelve billion, two million, two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 400066741 800133482 1200200223 2000333705 2400400446 4000667410 6001001115 12002002230