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12233011020 = 2235203883517
BaseRepresentation
bin10110110010010010…
…01110111101001100
31011120112120100101020
423121021032331030
5200023122323040
65341511514140
7612100610106
oct133111167514
934515510336
1012233011020
11520824126a
122454988950
1311cc509479
14840954576
154b8e4acd0
hex2d924ef4c

12233011020 has 24 divisors (see below), whose sum is σ = 34252431024. Its totient is φ = 3262136256.

The previous prime is 12233011019. The next prime is 12233011027. The reversal of 12233011020 is 2011033221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (12233011027) 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, 101941699 + ... + 101941818.

It is an arithmetic number, because the mean of its divisors is an integer number (1427184626).

Almost surely, 212233011020 is an apocalyptic number.

12233011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12233011020 is an abundant number, since it is smaller than the sum of its proper divisors (22019420004).

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

12233011020 is a wasteful number, since it uses less digits than its factorization.

12233011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203883529 (or 203883527 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12233011020 its reverse (2011033221), we get a palindrome (14244044241).

The spelling of 12233011020 in words is "twelve billion, two hundred thirty-three million, eleven thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 203883517 407767034 611650551 815534068 1019417585 1223301102 2038835170 2446602204 3058252755 4077670340 6116505510 12233011020