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1220201201012 = 221749935960191
BaseRepresentation
bin10001110000011001101…
…010001011110101110100
311022122112220211110010112
4101300121222023311310
5124442433001413022
62332315214242152
7154104503035553
oct21603152136564
94278486743115
101220201201012
11430536849442
12178596ab6358
138b0ab87a4a1
14430b5425d9a
1521b1844b8e2
hex11c19a8bd74

1220201201012 has 24 divisors (see below), whose sum is σ = 2265492096000. Its totient is φ = 573061587840.

The previous prime is 1220201201003. The next prime is 1220201201041. The reversal of 1220201201012 is 2101021020221.

It is a super-2 number, since 2×12202012010122 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17946164 + ... + 18014027.

It is an arithmetic number, because the mean of its divisors is an integer number (94395504000).

Almost surely, 21220201201012 is an apocalyptic number.

It is an amenable number.

1220201201012 is a deficient number, since it is larger than the sum of its proper divisors (1045290894988).

1220201201012 is a wasteful number, since it uses less digits than its factorization.

1220201201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35960711 (or 35960709 counting only the distinct ones).

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

Adding to 1220201201012 its reverse (2101021020221), we get a palindrome (3321222221233).

The spelling of 1220201201012 in words is "one trillion, two hundred twenty billion, two hundred one million, two hundred one thousand, twelve".

Divisors: 1 2 4 17 34 68 499 998 1996 8483 16966 33932 35960191 71920382 143840764 611323247 1222646494 2445292988 17944135309 35888270618 71776541236 305050300253 610100600506 1220201201012