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12002102010 = 23251039128351
BaseRepresentation
bin10110010110110000…
…11000101011111010
31010222110001221202200
423023120120223322
5144040014231020
65302542411030
7603265120023
oct131330305372
933873057680
1012002102010
1150a9967978
1223ab590a76
13119371c512
1481c007c4a
154a3a38590
hex2cb618afa

12002102010 has 48 divisors (see below), whose sum is σ = 31235742720. Its totient is φ = 3197455200.

The previous prime is 12002101967. The next prime is 12002102041. The reversal of 12002102010 is 1020120021.

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

It is a junction number, because it is equal to n+sod(n) for n = 12002101983 and 12002102001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29335 + ... + 157685.

It is an arithmetic number, because the mean of its divisors is an integer number (650744640).

Almost surely, 212002102010 is an apocalyptic number.

12002102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12002102010 is an abundant number, since it is smaller than the sum of its proper divisors (19233640710).

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

12002102010 is a wasteful number, since it uses less digits than its factorization.

12002102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129403 (or 129400 counting only the distinct ones).

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

Adding to 12002102010 its reverse (1020120021), we get a palindrome (13022222031).

The spelling of 12002102010 in words is "twelve billion, two million, one hundred two thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1039 2078 3117 5195 6234 9351 10390 15585 18702 31170 46755 93510 128351 256702 385053 641755 770106 1155159 1283510 1925265 2310318 3850530 5775795 11551590 133356689 266713378 400070067 666783445 800140134 1200210201 1333566890 2000350335 2400420402 4000700670 6001051005 12002102010