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72212201201 = 750341204923
BaseRepresentation
bin100001101000000101…
…1101011111011110001
320220101120222220102102
41003100023223323301
52140342310414301
653101314030145
75134325403560
oct1032013537361
9226346886372
1072212201201
11286969a5628
1211bb3878355
136a6a85b74a
1436d074bbd7
151d2993cb6b
hex10d02ebef1

72212201201 has 8 divisors (see below), whose sum is σ = 82530272064. Its totient is φ = 61894640880.

The previous prime is 72212201161. The next prime is 72212201227. The reversal of 72212201201 is 10210221227.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-72212201201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72212201261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249926 + ... + 454848.

It is an arithmetic number, because the mean of its divisors is an integer number (10316284008).

Almost surely, 272212201201 is an apocalyptic number.

It is an amenable number.

72212201201 is a deficient number, since it is larger than the sum of its proper divisors (10318070863).

72212201201 is a wasteful number, since it uses less digits than its factorization.

72212201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255271.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 72212201201 its reverse (10210221227), we get a palindrome (82422422428).

The spelling of 72212201201 in words is "seventy-two billion, two hundred twelve million, two hundred one thousand, two hundred one".

Divisors: 1 7 50341 204923 352387 1434461 10316028743 72212201201