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1220302302132 = 223678111871503
BaseRepresentation
bin10001110000011111101…
…011110110101110110100
311022122210222001220210110
4101300133223312232310
5124443134342132012
62332333225223020
7154110141265164
oct21603753665664
94278728056713
101220302302132
11430588922191
12178604931a70
138b0c67b8234
14430c4a225a4
1521b2226c73c
hex11c1faf6bb4

1220302302132 has 48 divisors (see below), whose sum is σ = 2893435016192. Its totient is φ = 400201987680.

The previous prime is 1220302302091. The next prime is 1220302302151. The reversal of 1220302302132 is 2312032030221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1220302302099 and 1220302302108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283708 + ... + 1587795.

Almost surely, 21220302302132 is an apocalyptic number.

1220302302132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220302302132 is an abundant number, since it is smaller than the sum of its proper divisors (1673132714060).

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

1220302302132 is a wasteful number, since it uses less digits than its factorization.

1220302302132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872388 (or 1872386 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1220302302132 its reverse (2312032030221), we get a palindrome (3532334332353).

The spelling of 1220302302132 in words is "one trillion, two hundred twenty billion, three hundred two million, three hundred two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 67 134 201 268 402 804 811 1622 2433 3244 4866 9732 54337 108674 163011 217348 326022 652044 1871503 3743006 5614509 7486012 11229018 22458036 125390701 250781402 376172103 501562804 752344206 1504688412 1517788933 3035577866 4553366799 6071155732 9106733598 18213467196 101691858511 203383717022 305075575533 406767434044 610151151066 1220302302132