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10231212122 = 229176400209
BaseRepresentation
bin10011000011101001…
…11110100001011010
3222102000211102112022
421201310332201122
5131423142241442
64411122214442
7511352603525
oct114164764132
928360742468
1010231212122
11438028610a
121b964b4422
13c70882391
146d0b4bbbc
153ed3303d2
hex261d3e85a

10231212122 has 8 divisors (see below), whose sum is σ = 15876018900. Its totient is φ = 4939205824.

The previous prime is 10231212083. The next prime is 10231212133. The reversal of 10231212122 is 22121213201.

10231212122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9356886361 + 874325761 = 96731^2 + 29569^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 10231212122.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 88200047 + ... + 88200162.

Almost surely, 210231212122 is an apocalyptic number.

10231212122 is a deficient number, since it is larger than the sum of its proper divisors (5644806778).

10231212122 is a wasteful number, since it uses less digits than its factorization.

10231212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176400240.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10231212122 its reverse (22121213201), we get a palindrome (32352425323).

It can be divided in two parts, 10 and 231212122, that added together give a palindrome (231212132).

The spelling of 10231212122 in words is "ten billion, two hundred thirty-one million, two hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 29 58 176400209 352800418 5115606061 10231212122