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13212112001 = 112941417279
BaseRepresentation
bin11000100111000000…
…01101010010000001
31021002202220211102112
430103200031102001
5204024300041001
610023005225105
7645260045654
oct142340152201
937082824375
1013212112001
11566a990330
122688862195
131327309c6a
148d49c189b
15524d9ecbb
hex31380d481

13212112001 has 8 divisors (see below), whose sum is σ = 14910220800. Its totient is φ = 11596837840.

The previous prime is 13212111971. The next prime is 13212112031. The reversal of 13212112001 is 10021121231.

It is an interprime number because it is at equal distance from previous prime (13212111971) and next prime (13212112031).

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

It is not a de Polignac number, because 13212112001 - 26 = 13212111937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13212112031) 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, 20708321 + ... + 20708958.

It is an arithmetic number, because the mean of its divisors is an integer number (1863777600).

Almost surely, 213212112001 is an apocalyptic number.

13212112001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13212112001 is a deficient number, since it is larger than the sum of its proper divisors (1698108799).

13212112001 is a wasteful number, since it uses less digits than its factorization.

13212112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41417319.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 13212112001 its reverse (10021121231), we get a palindrome (23233233232).

The spelling of 13212112001 in words is "thirteen billion, two hundred twelve million, one hundred twelve thousand, one".

Divisors: 1 11 29 319 41417279 455590069 1201101091 13212112001