Search a number
-
+
1222030101000 = 233532958723929
BaseRepresentation
bin10001110010000110101…
…010111000101000001000
311022211021101020012021010
4101302012222320220020
5130010204201213000
62333220510043520
7154201021320522
oct21620652705010
94284241205233
101222030101000
11431295152035
12178a074a95a0
138b310748927
144320a2a2a12
1521bc3cb2d50
hex11c86ab8a08

1222030101000 has 256 divisors, whose sum is σ = 3951091872000. Its totient is φ = 314088499200.

The previous prime is 1222030100999. The next prime is 1222030101037. The reversal of 1222030101000 is 1010302221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51057036 + ... + 51080964.

It is an arithmetic number, because the mean of its divisors is an integer number (15433952625).

Almost surely, 21222030101000 is an apocalyptic number.

1222030101000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222030101000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1975545936000).

1222030101000 is an abundant number, since it is smaller than the sum of its proper divisors (2729061771000).

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

1222030101000 is a wasteful number, since it uses less digits than its factorization.

1222030101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24569 (or 24555 counting only the distinct ones).

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

Adding to 1222030101000 its reverse (1010302221), we get a palindrome (1223040403221).

The spelling of 1222030101000 in words is "one trillion, two hundred twenty-two billion, thirty million, one hundred one thousand".