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1201200110012 = 22742900003929
BaseRepresentation
bin10001011110101101000…
…110110001100110111100
311020211111200221000102102
4101132231012301212330
5124140024212010022
62315453531044232
7152532600320030
oct21365506614674
94224450830372
101201200110012
11423476168551
121749735a0678
138937111a286
14421d1a861c0
15213a5248a92
hex117ad1b19bc

1201200110012 has 12 divisors (see below), whose sum is σ = 2402400220080. Its totient is φ = 514800047136.

The previous prime is 1201200109987. The next prime is 1201200110027. The reversal of 1201200110012 is 2100110021021.

1201200110012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1201200109975 and 1201200110002.

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, 21450001937 + ... + 21450001992.

It is an arithmetic number, because the mean of its divisors is an integer number (200200018340).

Almost surely, 21201200110012 is an apocalyptic number.

It is an amenable number.

1201200110012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1201200110012 is a wasteful number, since it uses less digits than its factorization.

1201200110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42900003940 (or 42900003938 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1201200110012 its reverse (2100110021021), we get a palindrome (3301310131033).

The spelling of 1201200110012 in words is "one trillion, two hundred one billion, two hundred million, one hundred ten thousand, twelve".

Divisors: 1 2 4 7 14 28 42900003929 85800007858 171600015716 300300027503 600600055006 1201200110012