Search a number
-
+
210012001222 = 2105006000611
BaseRepresentation
bin1100001110010110110…
…0001101001111000110
3202002002002122001012111
43003211230031033012
511420101033014342
6240251142011234
721113202361642
oct3034554151706
9662062561174
10210012001222
118107a332981
1234850716b1a
1316a5b64c05a
14a243a89c22
1556e2403217
hex30e5b0d3c6

210012001222 has 4 divisors (see below), whose sum is σ = 315018001836. Its totient is φ = 105006000610.

The previous prime is 210012001189. The next prime is 210012001229. The reversal of 210012001222 is 222100210012.

It is a happy number.

210012001222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210012001229) 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 as a sum of consecutive naturals, namely, 52503000304 + ... + 52503000307.

It is an arithmetic number, because the mean of its divisors is an integer number (78754500459).

Almost surely, 2210012001222 is an apocalyptic number.

210012001222 is a deficient number, since it is larger than the sum of its proper divisors (105006000614).

210012001222 is a wasteful number, since it uses less digits than its factorization.

210012001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105006000613.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210012001222 its reverse (222100210012), we get a palindrome (432112211234).

The spelling of 210012001222 in words is "two hundred ten billion, twelve million, one thousand, two hundred twenty-two".

Divisors: 1 2 105006000611 210012001222