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122210013 = 3191213281
BaseRepresentation
bin1110100100011…
…00011011011101
322111221220121210
413102030123131
5222241210023
620043215033
73012524262
oct722143335
9274856553
10122210013
1162a91212
1234b17479
131c41bb23
1412333269
15aae0593
hex748c6dd

122210013 has 8 divisors (see below), whose sum is σ = 163800576. Its totient is φ = 81046400.

The previous prime is 122209993. The next prime is 122210027. The reversal of 122210013 is 310012221.

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

It is a cyclic number.

It is not a de Polignac number, because 122210013 - 25 = 122209981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122210513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106068 + ... + 107213.

It is an arithmetic number, because the mean of its divisors is an integer number (20475072).

Almost surely, 2122210013 is an apocalyptic number.

It is an amenable number.

122210013 is a deficient number, since it is larger than the sum of its proper divisors (41590563).

122210013 is a wasteful number, since it uses less digits than its factorization.

122210013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213475.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 122210013 is about 11054.8637712095. The cubic root of 122210013 is about 496.2519924121.

Adding to 122210013 its reverse (310012221), we get a palindrome (432222234).

The spelling of 122210013 in words is "one hundred twenty-two million, two hundred ten thousand, thirteen".

Divisors: 1 3 191 573 213281 639843 40736671 122210013