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12012020110 = 2529131316189
BaseRepresentation
bin10110010111111100…
…01110000110001110
31011000010201211211201
423023332032012032
5144100034120420
65303535140114
7603445325536
oct131376160616
934003654751
1012012020110
115104521552
1223b297463a
1311957b2a0c
1481d46a4c6
154a484710a
hex2cbf8e18e

12012020110 has 32 divisors (see below), whose sum is σ = 22538023200. Its totient is φ = 4603697280.

The previous prime is 12012020107. The next prime is 12012020131. The reversal of 12012020110 is 1102021021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120105 + ... + 196084.

It is an arithmetic number, because the mean of its divisors is an integer number (704313225).

Almost surely, 212012020110 is an apocalyptic number.

12012020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012020110 is a deficient number, since it is larger than the sum of its proper divisors (10526003090).

12012020110 is a wasteful number, since it uses less digits than its factorization.

12012020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316356.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12012020110 its reverse (1102021021), we get a palindrome (13114041131).

The spelling of 12012020110 in words is "twelve billion, twelve million, twenty thousand, one hundred ten".

Divisors: 1 2 5 10 29 58 131 145 262 290 655 1310 3799 7598 18995 37990 316189 632378 1580945 3161890 9169481 18338962 41420759 45847405 82841518 91694810 207103795 414207590 1201202011 2402404022 6006010055 12012020110