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12111020003 = 199157938543
BaseRepresentation
bin10110100011101111…
…10111111111100011
31011021001000120011102
423101313313333203
5144300410120003
65321433105015
7606056654135
oct132167677743
934231016142
1012111020003
11515539a645
12241bb5816b
1311b0166234
1482c67b055
154ad3a0588
hex2d1df7fe3

12111020003 has 8 divisors (see below), whose sum is σ = 12179904000. Its totient is φ = 12042216648.

The previous prime is 12111019993. The next prime is 12111020011. The reversal of 12111020003 is 30002011121.

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

It is a cyclic number.

It is not a de Polignac number, because 12111020003 - 28 = 12111019747 is a prime.

It is a super-2 number, since 2×121110200032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111020063) 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, 294950 + ... + 333492.

It is an arithmetic number, because the mean of its divisors is an integer number (1522488000).

Almost surely, 212111020003 is an apocalyptic number.

12111020003 is a deficient number, since it is larger than the sum of its proper divisors (68883997).

12111020003 is a wasteful number, since it uses less digits than its factorization.

12111020003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40321.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12111020003 its reverse (30002011121), we get a palindrome (42113031124).

The spelling of 12111020003 in words is "twelve billion, one hundred eleven million, twenty thousand, three".

Divisors: 1 199 1579 38543 314221 7670057 60859397 12111020003