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1222102001012 = 2219101159210787
BaseRepresentation
bin10001110010001010111…
…101001010010101110100
311022211110101112002112112
4101302022331022111310
5130010331103013022
62333231555110152
7154202553416534
oct21621275122564
94284411462475
101222102001012
114313217a0632
12178a275a2358
138b322601209
1443215a5b4c4
1521bca2668e2
hex11c8af4a574

1222102001012 has 24 divisors (see below), whose sum is σ = 2273530052640. Its totient is φ = 573158829600.

The previous prime is 1222102001011. The next prime is 1222102001027. The reversal of 1222102001012 is 2101002012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222102001011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79597718 + ... + 79613069.

It is an arithmetic number, because the mean of its divisors is an integer number (94730418860).

Almost surely, 21222102001012 is an apocalyptic number.

It is an amenable number.

1222102001012 is a deficient number, since it is larger than the sum of its proper divisors (1051428051628).

1222102001012 is a wasteful number, since it uses less digits than its factorization.

1222102001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159210911 (or 159210909 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1222102001012 its reverse (2101002012221), we get a palindrome (3323104013233).

The spelling of 1222102001012 in words is "one trillion, two hundred twenty-two billion, one hundred two million, one thousand, twelve".

Divisors: 1 2 4 19 38 76 101 202 404 1919 3838 7676 159210787 318421574 636843148 3025004953 6050009906 12100019812 16080289487 32160578974 64321157948 305525500253 611051000506 1222102001012