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1222430130432 = 2833737936661
BaseRepresentation
bin10001110010011110100…
…000111000000100000000
311022212022020221210111000
4101302132200320010000
5130012014103133212
62333324320052000
7154213646444220
oct21623640700400
94285266853430
101222430130432
1143147aa38075
12178ab9464000
138b37559a734
1443247474080
1521be8e801dc
hex11c9e838100

1222430130432 has 288 divisors, whose sum is σ = 4133070690560. Its totient is φ = 349121249280.

The previous prime is 1222430130413. The next prime is 1222430130437. The reversal of 1222430130432 is 2340310342221.

1222430130432 is a `hidden beast` number, since 1 + 2 + 2 + 24 + 301 + 304 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1222430130396 and 1222430130405.

It is not an unprimeable number, because it can be changed into a prime (1222430130437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183517182 + ... + 183523842.

Almost surely, 21222430130432 is an apocalyptic number.

1222430130432 is a gapful number since it is divisible by the number (12) 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 1222430130432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2066535345280).

1222430130432 is an abundant number, since it is smaller than the sum of its proper divisors (2910640560128).

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

1222430130432 is an equidigital number, since it uses as much as digits as its factorization.

1222430130432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10486 (or 10466 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1222430130432 its reverse (2340310342221), we get a palindrome (3562740472653).

The spelling of 1222430130432 in words is "one trillion, two hundred twenty-two billion, four hundred thirty million, one hundred thirty thousand, four hundred thirty-two".