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12071202012 = 2233773144593
BaseRepresentation
bin10110011110111111…
…11110110011011100
31011011021002121011000
423033133332303130
5144210211431022
65313451430300
7605064344532
oct131737766334
934137077130
1012071202012
115134973811
12240a755390
1311a4b344ac
14827274152
154a9b376ac
hex2cf7fecdc

12071202012 has 48 divisors (see below), whose sum is σ = 31336411680. Its totient is φ = 4018500864.

The previous prime is 12071201993. The next prime is 12071202023. The reversal of 12071202012 is 21020217021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11188 + ... + 155780.

It is an arithmetic number, because the mean of its divisors is an integer number (652841910).

Almost surely, 212071202012 is an apocalyptic number.

12071202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12071202012 is an abundant number, since it is smaller than the sum of its proper divisors (19265209668).

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

12071202012 is a wasteful number, since it uses less digits than its factorization.

12071202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145379 (or 145371 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

Adding to 12071202012 its reverse (21020217021), we get a palindrome (33091419033).

The spelling of 12071202012 in words is "twelve billion, seventy-one million, two hundred two thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 773 1546 2319 3092 4638 6957 9276 13914 20871 27828 41742 83484 144593 289186 433779 578372 867558 1301337 1735116 2602674 3904011 5205348 7808022 15616044 111770389 223540778 335311167 447081556 670622334 1005933501 1341244668 2011867002 3017800503 4023734004 6035601006 12071202012