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1210222020108 = 223100851835009
BaseRepresentation
bin10001100111000110110…
…110101000011000001100
311021200210110020112102210
4101213012312220120030
5124312013314120413
62323545053550420
7153302300303643
oct21470666503014
94250713215383
101210222020108
114272858640a2
12176670aa5410
138a17b29c20a
1442809d6235a
15217323023c3
hex119c6da860c

1210222020108 has 12 divisors (see below), whose sum is σ = 2823851380280. Its totient is φ = 403407340032.

The previous prime is 1210222020107. The next prime is 1210222020131. The reversal of 1210222020108 is 8010202220121.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1210222020107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50425917493 + ... + 50425917516.

Almost surely, 21210222020108 is an apocalyptic number.

It is an amenable number.

1210222020108 is an abundant number, since it is smaller than the sum of its proper divisors (1613629360172).

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

1210222020108 is a wasteful number, since it uses less digits than its factorization.

1210222020108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100851835016 (or 100851835014 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 1210222020108 its reverse (8010202220121), we get a palindrome (9220424240229).

The spelling of 1210222020108 in words is "one trillion, two hundred ten billion, two hundred twenty-two million, twenty thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 100851835009 201703670018 302555505027 403407340036 605111010054 1210222020108