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12000202007 = 19760914731
BaseRepresentation
bin10110010110100010…
…01000110100010111
31010222022111102110012
423023101020310113
5144034022431012
65302433550435
7603243014453
oct131321106427
933868442405
1012000202007
1150a888a422
1223aaa1541b
131193205761
1481ba71663
154a37b0622
hex2cb448d17

12000202007 has 4 divisors (see below), whose sum is σ = 12061116936. Its totient is φ = 11939287080.

The previous prime is 12000201991. The next prime is 12000202013. The reversal of 12000202007 is 70020200021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70020200021 = 72469966209.

It is a cyclic number.

It is not a de Polignac number, because 12000202007 - 24 = 12000201991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000201982 and 12000202000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000201007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30457169 + ... + 30457562.

It is an arithmetic number, because the mean of its divisors is an integer number (3015279234).

Almost surely, 212000202007 is an apocalyptic number.

12000202007 is a deficient number, since it is larger than the sum of its proper divisors (60914929).

12000202007 is an equidigital number, since it uses as much as digits as its factorization.

12000202007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60914928.

The product of its (nonzero) digits is 56, while the sum is 14.

Adding to 12000202007 its reverse (70020200021), we get a palindrome (82020402028).

The spelling of 12000202007 in words is "twelve billion, two hundred two thousand, seven".

Divisors: 1 197 60914731 12000202007