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12020110002 = 2325911318371
BaseRepresentation
bin10110011000111010…
…00101001010110010
31011000200221212002100
423030131011022302
5144104122010002
65304424401230
7603604151325
oct131435051262
934020855070
1012020110002
11510904760a
1223b5616216
131197386034
148205747bc
154a53e411c
hex2cc7452b2

12020110002 has 24 divisors (see below), whose sum is σ = 26484990480. Its totient is φ = 3938792760.

The previous prime is 12020109977. The next prime is 12020110007. The reversal of 12020110002 is 20001102021.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12020110007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5658124 + ... + 5660247.

It is an arithmetic number, because the mean of its divisors is an integer number (1103541270).

Almost surely, 212020110002 is an apocalyptic number.

12020110002 is an abundant number, since it is smaller than the sum of its proper divisors (14464880478).

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

12020110002 is a wasteful number, since it uses less digits than its factorization.

12020110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11318438 (or 11318435 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12020110002 its reverse (20001102021), we get a palindrome (32021212023).

The spelling of 12020110002 in words is "twelve billion, twenty million, one hundred ten thousand, two".

Divisors: 1 2 3 6 9 18 59 118 177 354 531 1062 11318371 22636742 33955113 67910226 101865339 203730678 667783889 1335567778 2003351667 4006703334 6010055001 12020110002