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2012122301 = 73150918217
BaseRepresentation
bin111011111101110…
…1000110010111101
312012020011101220012
41313323220302331
513110100403201
6531354433005
7100601520530
oct16773506275
95166141805
102012122301
119428772a2
12481a32765
13260b2cc17
14151332a17
15bb9a95bb
hex77ee8cbd

2012122301 has 16 divisors (see below), whose sum is σ = 2378542080. Its totient is φ = 1665671040.

The previous prime is 2012122247. The next prime is 2012122331. The reversal of 2012122301 is 1032212102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2012122301 - 26 = 2012122237 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 (2012122331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101345 + ... + 119561.

It is an arithmetic number, because the mean of its divisors is an integer number (148658880).

Almost surely, 22012122301 is an apocalyptic number.

It is an amenable number.

2012122301 is a deficient number, since it is larger than the sum of its proper divisors (366419779).

2012122301 is a wasteful number, since it uses less digits than its factorization.

2012122301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18764.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2012122301 is about 44856.6862463112. The cubic root of 2012122301 is about 1262.4614479095.

Adding to 2012122301 its reverse (1032212102), we get a palindrome (3044334403).

The spelling of 2012122301 in words is "two billion, twelve million, one hundred twenty-two thousand, three hundred one".

Divisors: 1 7 31 217 509 3563 15779 18217 110453 127519 564727 3953089 9272453 64907171 287446043 2012122301