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20120211202202 = 236497927563519
BaseRepresentation
bin1001001001100100110100…
…00010101010000010011010
32122020110210010001022002222
410210302122002222002122
510114122143031432302
6110443033013224042
74144431406256066
oct444623202520232
978213703038088
1020120211202202
116457a2a766531
12230b522032022
13b2c435178207
144d7b75660aa6
1524d58d659da2
hex124c9a0aa09a

20120211202202 has 8 divisors (see below), whose sum is σ = 30180400588800. Its totient is φ = 10060077672604.

The previous prime is 20120211202121. The next prime is 20120211202219. The reversal of 20120211202202 is 20220211202102.

It is a happy number.

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, 13051802 + ... + 14511717.

It is an arithmetic number, because the mean of its divisors is an integer number (3772550073600).

Almost surely, 220120211202202 is an apocalyptic number.

20120211202202 is a deficient number, since it is larger than the sum of its proper divisors (10060189386598).

20120211202202 is a wasteful number, since it uses less digits than its factorization.

20120211202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27928500.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20120211202202 its reverse (20220211202102), we get a palindrome (40340422404304).

The spelling of 20120211202202 in words is "twenty trillion, one hundred twenty billion, two hundred eleven million, two hundred two thousand, two hundred two".

Divisors: 1 2 364979 729958 27563519 55127038 10060105601101 20120211202202