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12122420001 = 337109210991
BaseRepresentation
bin10110100101000110…
…10111001100100001
31011021211110202000120
423102203113030201
5144311314420001
65322521310453
7606255604236
oct132243271441
934254422016
1012122420001
11516087662a
122423935429
1311b26280b3
1482dda778d
154ae3a3236
hex2d28d7321

12122420001 has 8 divisors (see below), whose sum is σ = 16600070784. Its totient is φ = 7863191280.

The previous prime is 12122419961. The next prime is 12122420029. The reversal of 12122420001 is 10002422121.

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

It is not a de Polignac number, because 12122420001 - 229 = 11585549089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122420041) 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, 54605385 + ... + 54605606.

It is an arithmetic number, because the mean of its divisors is an integer number (2075008848).

Almost surely, 212122420001 is an apocalyptic number.

It is an amenable number.

12122420001 is a deficient number, since it is larger than the sum of its proper divisors (4477650783).

12122420001 is a wasteful number, since it uses less digits than its factorization.

12122420001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109211031.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12122420001 its reverse (10002422121), we get a palindrome (22124842122).

The spelling of 12122420001 in words is "twelve billion, one hundred twenty-two million, four hundred twenty thousand, one".

Divisors: 1 3 37 111 109210991 327632973 4040806667 12122420001