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12000001232 = 242367486697
BaseRepresentation
bin10110010110100000…
…10111110011010000
31010222022010020001002
423023100113303100
5144034000014412
65302425401132
7603241220222
oct131320276320
933868106032
1012000001232
1150a876259a
1223aa9391a8
13119316525b
1481ba1c412
154a3770dc2
hex2cb417cd0

12000001232 has 40 divisors (see below), whose sum is σ = 24623025216. Its totient is φ = 5653460736.

The previous prime is 12000001231. The next prime is 12000001249. The reversal of 12000001232 is 23210000021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000001231) 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, 218693 + ... + 268004.

Almost surely, 212000001232 is an apocalyptic number.

It is an amenable number.

12000001232 is an abundant number, since it is smaller than the sum of its proper divisors (12623023984).

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

12000001232 is a wasteful number, since it uses less digits than its factorization.

12000001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486795 (or 486789 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 12000001232 its reverse (23210000021), we get a palindrome (35210001253).

The spelling of 12000001232 in words is "twelve billion, one thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 23 46 67 92 134 184 268 368 536 1072 1541 3082 6164 12328 24656 486697 973394 1946788 3893576 7787152 11194031 22388062 32608699 44776124 65217398 89552248 130434796 179104496 260869592 521739184 750000077 1500000154 3000000308 6000000616 12000001232