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10231212201 = 37341242509
BaseRepresentation
bin10011000011101001…
…11110100010101001
3222102000211102122020
421201310332202221
5131423142242301
64411122215053
7511352604000
oct114164764251
928360742566
1010231212201
114380286181
121b964b4489
13c70882422
146d0b4bc37
153ed330436
hex261d3e8a9

10231212201 has 32 divisors (see below), whose sum is σ = 16296672000. Its totient is φ = 5703788160.

The previous prime is 10231212149. The next prime is 10231212203. The reversal of 10231212201 is 10221213201.

10231212201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10231212201 - 214 = 10231195817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10231212203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79066 + ... + 163443.

It is an arithmetic number, because the mean of its divisors is an integer number (509271000).

Almost surely, 210231212201 is an apocalyptic number.

It is an amenable number.

10231212201 is a deficient number, since it is larger than the sum of its proper divisors (6065459799).

10231212201 is an equidigital number, since it uses as much as digits as its factorization.

10231212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242574 (or 242560 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10231212201 its reverse (10221213201), we get a palindrome (20452425402).

The spelling of 10231212201 in words is "ten billion, two hundred thirty-one million, two hundred twelve thousand, two hundred one".

Divisors: 1 3 7 21 41 49 123 147 287 343 861 1029 2009 6027 14063 42189 242509 727527 1697563 5092689 9942869 11882941 29828607 35648823 69600083 83180587 208800249 249541761 487200581 1461601743 3410404067 10231212201