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12132022232 = 23111011499161
BaseRepresentation
bin10110100110001111…
…11111011111011000
31011022111112120210202
423103013333133120
5144321244202412
65323503201332
7606433326131
oct132307773730
934274476722
1012132022232
115166234960
122426ba6248
1311b460a8a5
14831386c88
154b014d3c2
hex2d31ff7d8

12132022232 has 64 divisors (see below), whose sum is σ = 25232148000. Its totient is φ = 5422720000.

The previous prime is 12132022223. The next prime is 12132022237. The reversal of 12132022232 is 23222023121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132022237) 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, 1319732 + ... + 1328892.

Almost surely, 212132022232 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 12132022232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12616074000).

12132022232 is an abundant number, since it is smaller than the sum of its proper divisors (13100125768).

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

12132022232 is a wasteful number, since it uses less digits than its factorization.

12132022232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9428 (or 9424 counting only the distinct ones).

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

Adding to 12132022232 its reverse (23222023121), we get a palindrome (35354045353).

The spelling of 12132022232 in words is "twelve billion, one hundred thirty-two million, twenty-two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 101 149 202 298 404 596 808 1111 1192 1639 2222 3278 4444 6556 8888 9161 13112 15049 18322 30098 36644 60196 73288 100771 120392 165539 201542 331078 403084 662156 806168 925261 1324312 1364989 1850522 2729978 3701044 5459956 7402088 10177871 10919912 15014879 20355742 30029758 40711484 60059516 81422968 120119032 137863889 275727778 551455556 1102911112 1516502779 3033005558 6066011116 12132022232