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12002112001 = 117115367621
BaseRepresentation
bin10110010110110000…
…11011001000000001
31010222110002110110201
423023120123020001
5144040020041001
65302542525201
7603265161115
oct131330331001
933873073421
1012002112001
1150a9974430
1223ab596801
131193723c29
1481c00b745
154a3a3b501
hex2cb61b201

12002112001 has 8 divisors (see below), whose sum is σ = 13277625408. Its totient is φ = 10757334000.

The previous prime is 12002111987. The next prime is 12002112043. The reversal of 12002112001 is 10021120021.

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 12002112001 - 217 = 12001980929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002112061) 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, 7683030 + ... + 7684591.

It is an arithmetic number, because the mean of its divisors is an integer number (1659703176).

Almost surely, 212002112001 is an apocalyptic number.

12002112001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12002112001 is a deficient number, since it is larger than the sum of its proper divisors (1275513407).

12002112001 is a wasteful number, since it uses less digits than its factorization.

12002112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15367703.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12002112001 its reverse (10021120021), we get a palindrome (22023232022).

It can be divided in two parts, 1 and 2002112001, that added together give a palindrome (2002112002).

The spelling of 12002112001 in words is "twelve billion, two million, one hundred twelve thousand, one".

Divisors: 1 11 71 781 15367621 169043831 1091101091 12002112001