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1212010220003 = 11282221390413
BaseRepresentation
bin10001101000110001011…
…100000100100111100011
311021212102002001111112112
4101220301130010213203
5124324144104020003
62324442333145535
7153364512613502
oct21506134044743
94255362044475
101212010220003
11428013199150
12176a8b92b2ab
138a3a48ba26b
1442939646839
15217d92c93d8
hex11a317049e3

1212010220003 has 8 divisors (see below), whose sum is σ = 1322201038896. Its totient is φ = 1101820746400.

The previous prime is 1212010219961. The next prime is 1212010220017. The reversal of 1212010220003 is 3000220102121.

It is a happy number.

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

It is not a de Polignac number, because 1212010220003 - 212 = 1212010215907 is a prime.

It is a super-2 number, since 2×12120102200032 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1212010220003.

It is not an unprimeable number, because it can be changed into a prime (1212010220803) 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, 2909225 + ... + 3299637.

It is an arithmetic number, because the mean of its divisors is an integer number (165275129862).

Almost surely, 21212010220003 is an apocalyptic number.

1212010220003 is a deficient number, since it is larger than the sum of its proper divisors (110190818893).

1212010220003 is a wasteful number, since it uses less digits than its factorization.

1212010220003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672645.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1212010220003 its reverse (3000220102121), we get a palindrome (4212230322124).

The spelling of 1212010220003 in words is "one trillion, two hundred twelve billion, ten million, two hundred twenty thousand, three".

Divisors: 1 11 282221 390413 3104431 4294543 110182747273 1212010220003