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12202321210 = 251220232121
BaseRepresentation
bin10110101110101000…
…01010010100111010
31011111101211010212121
423113110022110322
5144442243234320
65334454031454
7611246006332
oct132724122472
934441733777
1012202321210
1151a198a592
12244664858a
1311c6052511
1483a8460c2
154b63d78aa
hex2d750a53a

12202321210 has 8 divisors (see below), whose sum is σ = 21964178196. Its totient is φ = 4880928480.

The previous prime is 12202321147. The next prime is 12202321247. The reversal of 12202321210 is 1212320221.

It is a happy number.

12202321210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11696206201 + 506115009 = 108149^2 + 22497^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610116051 + ... + 610116070.

Almost surely, 212202321210 is an apocalyptic number.

12202321210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12202321210 is a deficient number, since it is larger than the sum of its proper divisors (9761856986).

12202321210 is a wasteful number, since it uses less digits than its factorization.

12202321210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220232128.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12202321210 its reverse (1212320221), we get a palindrome (13414641431).

The spelling of 12202321210 in words is "twelve billion, two hundred two million, three hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 1220232121 2440464242 6101160605 12202321210