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1210200000222 = 23238769565219
BaseRepresentation
bin10001100111000101100…
…010101000011011011110
311021200201220210210211110
4101213011202220123132
5124311442200001342
62323542550002450
7153301612163013
oct21470542503336
94250656723743
101210200000222
11427274394244
12176665646426
138a17685c5b5
144280706d70a
1521730402c9c
hex119c58a86de

1210200000222 has 16 divisors (see below), whose sum is σ = 2525634783360. Its totient is φ = 385860869592.

The previous prime is 1210200000221. The next prime is 1210200000227. The reversal of 1210200000222 is 2220000020121.

It is a junction number, because it is equal to n+sod(n) for n = 1210200000198 and 1210200000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210200000221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4384782472 + ... + 4384782747.

It is an arithmetic number, because the mean of its divisors is an integer number (157852173960).

Almost surely, 21210200000222 is an apocalyptic number.

1210200000222 is an abundant number, since it is smaller than the sum of its proper divisors (1315434783138).

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

1210200000222 is a wasteful number, since it uses less digits than its factorization.

1210200000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8769565247.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1210200000222 its reverse (2220000020121), we get a palindrome (3430200020343).

The spelling of 1210200000222 in words is "one trillion, two hundred ten billion, two hundred million, two hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 3 6 23 46 69 138 8769565219 17539130438 26308695657 52617391314 201700000037 403400000074 605100000111 1210200000222