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12232012232 = 23111011399901
BaseRepresentation
bin10110110010001010…
…11011000111001000
31011120110200121022002
423121011123013020
5200022343342412
65341434250132
7612056250146
oct133105330710
934513617262
1012232012232
115207719920
122454586948
1311cc24997b
14840774596
154b8ceedc2
hex2d915b1c8

12232012232 has 64 divisors (see below), whose sum is σ = 25452100800. Its totient is φ = 5464800000.

The previous prime is 12232012231. The next prime is 12232012241. The reversal of 12232012232 is 23221023221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12232012231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1230482 + ... + 1240382.

It is an arithmetic number, because the mean of its divisors is an integer number (397689075).

Almost surely, 212232012232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12232012232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12726050400).

12232012232 is an abundant number, since it is smaller than the sum of its proper divisors (13220088568).

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

12232012232 is a wasteful number, since it uses less digits than its factorization.

12232012232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10158 (or 10154 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12232012232 its reverse (23221023221), we get a palindrome (35453035453).

The spelling of 12232012232 in words is "twelve billion, two hundred thirty-two million, twelve thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 101 139 202 278 404 556 808 1111 1112 1529 2222 3058 4444 6116 8888 9901 12232 14039 19802 28078 39604 56156 79208 108911 112312 154429 217822 308858 435644 617716 871288 1000001 1235432 1376239 2000002 2752478 4000004 5504956 8000008 11000011 11009912 15138629 22000022 30277258 44000044 60554516 88000088 121109032 139000139 278000278 556000556 1112001112 1529001529 3058003058 6116006116 12232012232