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12002110220 = 225748780153
BaseRepresentation
bin10110010110110000…
…11010101100001100
31010222110002101000202
423023120122230030
5144040020011340
65302542513032
7603265152662
oct131330325414
933873071022
1012002110220
1150a9973061
1223ab595778
131193723189
1481c00ac32
154a3a3ac15
hex2cb61ab0c

12002110220 has 24 divisors (see below), whose sum is σ = 25208112384. Its totient is φ = 4800142976.

The previous prime is 12002110207. The next prime is 12002110231. The reversal of 12002110220 is 2201120021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109664 + ... + 189816.

It is an arithmetic number, because the mean of its divisors is an integer number (1050338016).

Almost surely, 212002110220 is an apocalyptic number.

12002110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002110220 is an abundant number, since it is smaller than the sum of its proper divisors (13206002164).

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

12002110220 is a wasteful number, since it uses less digits than its factorization.

12002110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87649 (or 87647 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12002110220 its reverse (2201120021), we get a palindrome (14203230241).

The spelling of 12002110220 in words is "twelve billion, two million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 7487 14974 29948 37435 74870 80153 149740 160306 320612 400765 801530 1603060 600105511 1200211022 2400422044 3000527555 6001055110 12002110220