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1225000341240 = 23351331107236737
BaseRepresentation
bin10001110100110111101…
…101011100111011111000
311100002221101021000212220
4101310313231130323320
5130032300041404430
62334431332404040
7154334436045204
oct21646755347370
94302841230786
101225000341240
11432579836535
121794b6176620
138b694c10630
144340c95db04
1521ce9929110
hex11d37b5cef8

1225000341240 has 256 divisors, whose sum is σ = 4123559301120. Its totient is φ = 289083064320.

The previous prime is 1225000341239. The next prime is 1225000341283. The reversal of 1225000341240 is 421430005221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1225000341240.

It is a congruent number.

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, 5056152 + ... + 5292888.

It is an arithmetic number, because the mean of its divisors is an integer number (16107653520).

Almost surely, 21225000341240 is an apocalyptic number.

1225000341240 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 1225000341240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2061779650560).

1225000341240 is an abundant number, since it is smaller than the sum of its proper divisors (2898558959880).

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

1225000341240 is a wasteful number, since it uses less digits than its factorization.

1225000341240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236902 (or 236898 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 1225000341240 its reverse (421430005221), we get a palindrome (1646430346461).

The spelling of 1225000341240 in words is "one trillion, two hundred twenty-five billion, three hundred forty-one thousand, two hundred forty".