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12011020010 = 2511109191091
BaseRepresentation
bin10110010111110100…
…11001111011101010
31011000001212000221222
423023322121323222
5144044310120020
65303501502042
7603433662023
oct131372317352
934001760858
1012011020010
1151039a9120
1223b2571922
131195522742
1481d289c4a
154a46eab25
hex2cbe99eea

12011020010 has 16 divisors (see below), whose sum is σ = 23585275872. Its totient is φ = 4367643600.

The previous prime is 12011019971. The next prime is 12011020019. The reversal of 12011020010 is 1002011021.

It is a self number, because there is not a number n which added to its sum of digits gives 12011020010.

It is not an unprimeable number, because it can be changed into a prime (12011020019) 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, 54595436 + ... + 54595655.

It is an arithmetic number, because the mean of its divisors is an integer number (1474079742).

Almost surely, 212011020010 is an apocalyptic number.

12011020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011020010 is a deficient number, since it is larger than the sum of its proper divisors (11574255862).

12011020010 is a wasteful number, since it uses less digits than its factorization.

12011020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109191109.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12011020010 its reverse (1002011021), we get a palindrome (13013031031).

The spelling of 12011020010 in words is "twelve billion, eleven million, twenty thousand, ten".

Divisors: 1 2 5 10 11 22 55 110 109191091 218382182 545955455 1091910910 1201102001 2402204002 6005510005 12011020010