Search a number
-
+
122320012 = 2245236761
BaseRepresentation
bin1110100101001…
…11010010001100
322112011111111211
413102213102030
5222303220022
620045424204
73013463053
oct722472214
9275144454
10122320012
1163056921
1234b6b064
131c459c09
141236139a
15ab12e77
hex74a748c

122320012 has 12 divisors (see below), whose sum is σ = 214139016. Its totient is φ = 61137440.

The previous prime is 122319979. The next prime is 122320027. The reversal of 122320012 is 210023221.

It is a junction number, because it is equal to n+sod(n) for n = 122319974 and 122320001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14712 + ... + 21472.

It is an arithmetic number, because the mean of its divisors is an integer number (17844918).

Almost surely, 2122320012 is an apocalyptic number.

It is an amenable number.

122320012 is a deficient number, since it is larger than the sum of its proper divisors (91819004).

122320012 is a wasteful number, since it uses less digits than its factorization.

122320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11288 (or 11286 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 122320012 is about 11059.8377926622. The cubic root of 122320012 is about 496.4008368810.

Adding to 122320012 its reverse (210023221), we get a palindrome (332343233).

The spelling of 122320012 in words is "one hundred twenty-two million, three hundred twenty thousand, twelve".

Divisors: 1 2 4 4523 6761 9046 13522 18092 27044 30580003 61160006 122320012