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12071202010 = 257237497641
BaseRepresentation
bin10110011110111111…
…11110110011011010
31011011021002121010221
423033133332303122
5144210211431020
65313451430254
7605064344530
oct131737766332
934137077127
1012071202010
11513497380a
12240a75538a
1311a4b344aa
14827274150
154a9b376aa
hex2cf7fecda

12071202010 has 32 divisors (see below), whose sum is σ = 25911850752. Its totient is φ = 3958753920.

The previous prime is 12071201993. The next prime is 12071202023. The reversal of 12071202010 is 1020217021.

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, 3747211 + ... + 3750430.

It is an arithmetic number, because the mean of its divisors is an integer number (809745336).

Almost surely, 212071202010 is an apocalyptic number.

12071202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12071202010 is an abundant number, since it is smaller than the sum of its proper divisors (13840648742).

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

12071202010 is a wasteful number, since it uses less digits than its factorization.

12071202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7497678.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 12071202010 its reverse (1020217021), we get a palindrome (13091419031).

The spelling of 12071202010 in words is "twelve billion, seventy-one million, two hundred two thousand, ten".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 322 805 1610 7497641 14995282 37488205 52483487 74976410 104966974 172445743 262417435 344891486 524834870 862228715 1207120201 1724457430 2414240402 6035601005 12071202010