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1222200210131 = 1964326326849
BaseRepresentation
bin10001110010010000110…
…011110011001011010011
311022211201020022122010022
4101302100303303023103
5130011031223211011
62333245424054055
7154205155242515
oct21622063631323
94284636278108
101222200210131
1143137217959a
12178a5446432b
138b339a68814
1443224b03bb5
1521bd3bb58db
hex11c90cf32d3

1222200210131 has 4 divisors (see below), whose sum is σ = 1286526537000. Its totient is φ = 1157873883264.

The previous prime is 1222200210089. The next prime is 1222200210139. The reversal of 1222200210131 is 1310120022221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1222200210131 - 234 = 1205020340947 is a prime.

It is a super-2 number, since 2×12222002101312 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222200210139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32163163406 + ... + 32163163443.

It is an arithmetic number, because the mean of its divisors is an integer number (321631634250).

Almost surely, 21222200210131 is an apocalyptic number.

1222200210131 is a deficient number, since it is larger than the sum of its proper divisors (64326326869).

1222200210131 is an equidigital number, since it uses as much as digits as its factorization.

1222200210131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64326326868.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1222200210131 its reverse (1310120022221), we get a palindrome (2532320232352).

The spelling of 1222200210131 in words is "one trillion, two hundred twenty-two billion, two hundred million, two hundred ten thousand, one hundred thirty-one".

Divisors: 1 19 64326326849 1222200210131