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1212222202102 = 24911234442161
BaseRepresentation
bin10001101000111110000…
…100101110000011110110
311021212221211221022022101
4101220332010232003312
5124330112340431402
62324515344452314
7153402665464222
oct21507604560366
94255854838271
101212222202102
1142811191546a
12176b2a91a09a
138a4097ab362
1442959867782
15217ecbedb87
hex11a3e12e0f6

1212222202102 has 8 divisors (see below), whose sum is σ = 1822036631112. Its totient is φ = 604876658400.

The previous prime is 1212222202063. The next prime is 1212222202187. The reversal of 1212222202102 is 2012022222121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1212222202102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617220099 + ... + 617222062.

It is an arithmetic number, because the mean of its divisors is an integer number (227754578889).

Almost surely, 21212222202102 is an apocalyptic number.

1212222202102 is a deficient number, since it is larger than the sum of its proper divisors (609814429010).

1212222202102 is a wasteful number, since it uses less digits than its factorization.

1212222202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234442654.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1212222202102 its reverse (2012022222121), we get a palindrome (3224244424223).

The spelling of 1212222202102 in words is "one trillion, two hundred twelve billion, two hundred twenty-two million, two hundred two thousand, one hundred two".

Divisors: 1 2 491 982 1234442161 2468884322 606111101051 1212222202102