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12010131007 = 72374597087
BaseRepresentation
bin10110010111101110…
…00000111000111111
31011000000011212110221
423023313000320333
5144044043143012
65303430442211
7603423300130
oct131367007077
934000155427
1012010131007
115103451206
1223b2203367
1311952a0bc4
1481d0d7c87
154a45c2507
hex2cbdc0e3f

12010131007 has 8 divisors (see below), whose sum is σ = 14322640896. Its totient is φ = 9846815352.

The previous prime is 12010130999. The next prime is 12010131019. The reversal of 12010131007 is 70013101021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12010131007 - 23 = 12010130999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010101007) 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, 37298383 + ... + 37298704.

It is an arithmetic number, because the mean of its divisors is an integer number (1790330112).

Almost surely, 212010131007 is an apocalyptic number.

12010131007 is a deficient number, since it is larger than the sum of its proper divisors (2312509889).

12010131007 is an equidigital number, since it uses as much as digits as its factorization.

12010131007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74597117.

The product of its (nonzero) digits is 42, while the sum is 16.

Adding to 12010131007 its reverse (70013101021), we get a palindrome (82023232028).

The spelling of 12010131007 in words is "twelve billion, ten million, one hundred thirty-one thousand, seven".

Divisors: 1 7 23 161 74597087 522179609 1715733001 12010131007