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12210031030 = 254328395421
BaseRepresentation
bin10110101111100011…
…00100100110110110
31011111221022211202111
423113301210212312
5200001231443110
65335331201234
7611401360051
oct132761444666
934457284674
1012210031030
1151a627603a
12244914621a
1311c7821842
1483b891a98
154b6e0be8a
hex2d7c649b6

12210031030 has 16 divisors (see below), whose sum is σ = 22489174224. Its totient is φ = 4770430560.

The previous prime is 12210031021. The next prime is 12210031051. The reversal of 12210031030 is 3013001221.

It is a self number, because there is not a number n which added to its sum of digits gives 12210031030.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14197281 + ... + 14198140.

It is an arithmetic number, because the mean of its divisors is an integer number (1405573389).

Almost surely, 212210031030 is an apocalyptic number.

12210031030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210031030 is a deficient number, since it is larger than the sum of its proper divisors (10279143194).

12210031030 is a wasteful number, since it uses less digits than its factorization.

12210031030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28395471.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12210031030 its reverse (3013001221), we get a palindrome (15223032251).

The spelling of 12210031030 in words is "twelve billion, two hundred ten million, thirty-one thousand, thirty".

Divisors: 1 2 5 10 43 86 215 430 28395421 56790842 141977105 283954210 1221003103 2442006206 6105015515 12210031030