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12242111020 = 2251017198429
BaseRepresentation
bin10110110011010111…
…11100101000101100
31011121011200200020021
423121223330220230
5200032440023040
65342434531524
7612241140526
oct133153745054
934534620207
1012242111020
115212397227
122457a36ba4
131201374499
14841c42a16
154b9b4724a
hex2d9afca2c

12242111020 has 48 divisors (see below), whose sum is σ = 26002166400. Its totient is φ = 4841043200.

The previous prime is 12242110957. The next prime is 12242111047. The reversal of 12242111020 is 2011124221.

It is a junction number, because it is equal to n+sod(n) for n = 12242110985 and 12242111003.

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, 1448166 + ... + 1456594.

It is an arithmetic number, because the mean of its divisors is an integer number (541711800).

Almost surely, 212242111020 is an apocalyptic number.

12242111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12242111020 is an abundant number, since it is smaller than the sum of its proper divisors (13760055380).

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

12242111020 is a wasteful number, since it uses less digits than its factorization.

12242111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9258 (or 9256 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12242111020 its reverse (2011124221), we get a palindrome (14253235241).

The spelling of 12242111020 in words is "twelve billion, two hundred forty-two million, one hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 719 1010 1438 2020 2876 3595 7190 8429 14380 16858 33716 42145 72619 84290 145238 168580 290476 363095 726190 851329 1452380 1702658 3405316 4256645 6060451 8513290 12120902 17026580 24241804 30302255 60604510 121209020 612105551 1224211102 2448422204 3060527755 6121055510 12242111020