Search a number
-
+
1220301030012 = 223148368571647
BaseRepresentation
bin10001110000011111100…
…111000000001001111100
311022122210212200021202220
4101300133213000021330
5124443134030430022
62332333142045340
7154110124416321
oct21603747001174
94278725607686
101220301030012
11430588133449
12178604419850
138b0c64611bc
14430c47b0b48
1521b220ba85c
hex11c1f9c027c

1220301030012 has 24 divisors (see below), whose sum is σ = 2849289117696. Its totient is φ = 406492717488.

The previous prime is 1220301029989. The next prime is 1220301030017. The reversal of 1220301030012 is 2100301030221.

It is a junction number, because it is equal to n+sod(n) for n = 1220301029973 and 1220301030000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220301030017) 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 in 7 ways as a sum of consecutive naturals, for example, 34268028 + ... + 34303619.

It is an arithmetic number, because the mean of its divisors is an integer number (118720379904).

Almost surely, 21220301030012 is an apocalyptic number.

1220301030012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220301030012 is an abundant number, since it is smaller than the sum of its proper divisors (1628988087684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220301030012 is a wasteful number, since it uses less digits than its factorization.

1220301030012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68573137 (or 68573135 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1220301030012 its reverse (2100301030221), we get a palindrome (3320602060233).

The spelling of 1220301030012 in words is "one trillion, two hundred twenty billion, three hundred one million, thirty thousand, twelve".

Divisors: 1 2 3 4 6 12 1483 2966 4449 5932 8898 17796 68571647 137143294 205714941 274286588 411429882 822859764 101691752501 203383505002 305075257503 406767010004 610150515006 1220301030012