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1222033010131 = 198923911172707
BaseRepresentation
bin10001110010000110110…
…101111110110111010011
311022211021120200222211201
4101302012311332313103
5130010210422311011
62333221052252031
7154201055125123
oct21620665766723
94284246628751
101222033010131
1143129685977a
12178a08471017
138b311226acb
144320a81cc83
1521bc4189cc1
hex11c86d7edd3

1222033010131 has 32 divisors (see below), whose sum is σ = 1307899008000. Its totient is φ = 1138476632832.

The previous prime is 1222033010119. The next prime is 1222033010167. The reversal of 1222033010131 is 1310103302221.

It is a cyclic number.

It is not a de Polignac number, because 1222033010131 - 229 = 1221496139219 is a prime.

It is a super-2 number, since 2×12220330101312 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222033010099 and 1222033010108.

It is not an unprimeable number, because it can be changed into a prime (1222033010431) 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, 451433080 + ... + 451435786.

It is an arithmetic number, because the mean of its divisors is an integer number (40871844000).

Almost surely, 21222033010131 is an apocalyptic number.

1222033010131 is a deficient number, since it is larger than the sum of its proper divisors (85865997869).

1222033010131 is a wasteful number, since it uses less digits than its factorization.

1222033010131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1222033010131 its reverse (1310103302221), we get a palindrome (2532136312352).

The spelling of 1222033010131 in words is "one trillion, two hundred twenty-two billion, thirty-three million, ten thousand, one hundred thirty-one".

Divisors: 1 19 89 239 1117 1691 2707 4541 21223 21271 51433 99413 240923 266963 404149 646973 1888847 3023719 4577537 5072297 12292487 23759707 57450661 57580597 269110991 451434433 722668841 1094031343 5113108829 13730707979 64317526849 1222033010131