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12020120103 = 314926890649
BaseRepresentation
bin10110011000111010…
…00111101000100111
31011000200222100221110
423030131013220213
5144104122320403
65304424520103
7603604222635
oct131435075047
934020870843
1012020120103
115109054162
1223b5620033
13119738a804
14820578355
154a53e7103
hex2cc747a27

12020120103 has 8 divisors (see below), whose sum is σ = 16134390000. Its totient is φ = 7959631808.

The previous prime is 12020120093. The next prime is 12020120149. The reversal of 12020120103 is 30102102021.

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 12020120103 - 216 = 12020054567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020120153) 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, 13444878 + ... + 13445771.

It is an arithmetic number, because the mean of its divisors is an integer number (2016798750).

Almost surely, 212020120103 is an apocalyptic number.

12020120103 is a deficient number, since it is larger than the sum of its proper divisors (4114269897).

12020120103 is a wasteful number, since it uses less digits than its factorization.

12020120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26890801.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12020120103 its reverse (30102102021), we get a palindrome (42122222124).

The spelling of 12020120103 in words is "twelve billion, twenty million, one hundred twenty thousand, one hundred three".

Divisors: 1 3 149 447 26890649 80671947 4006706701 12020120103