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1222231132000 = 25532338334687
BaseRepresentation
bin10001110010010010101…
…001110000011101100000
311022211210101111121221201
4101302102221300131200
5130011112132211000
62333252450530544
7154206012130654
oct21622251603540
94284711447851
101222231132000
1143138867965a
12178a62896a54
138b3432a4298
1443228c72a64
1521bd677296a
hex11c92a70760

1222231132000 has 192 divisors, whose sum is σ = 3141860327424. Its totient is φ = 466401830400.

The previous prime is 1222231131973. The next prime is 1222231132007. The reversal of 1222231132000 is 2311322221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222231132007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35218657 + ... + 35253343.

It is an arithmetic number, because the mean of its divisors is an integer number (16363855872).

Almost surely, 21222231132000 is an apocalyptic number.

1222231132000 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 1222231132000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1570930163712).

1222231132000 is an abundant number, since it is smaller than the sum of its proper divisors (1919629195424).

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

1222231132000 is a wasteful number, since it uses less digits than its factorization.

1222231132000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35118 (or 35100 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1222231132000 its reverse (2311322221), we get a palindrome (1224542454221).

The spelling of 1222231132000 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-one million, one hundred thirty-two thousand".