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1220202003213 = 32307441622151
BaseRepresentation
bin10001110000011001101…
…101001111101100001101
311022122112222100012112200
4101300121231033230031
5124442433203100323
62332315243352113
7154104512616414
oct21603155175415
94278488305480
101220202003213
11430537247116
12178597222639
138b0aba9b66b
14430b559447b
1521b18559443
hex11c19b4fb0d

1220202003213 has 12 divisors (see below), whose sum is σ = 1768255096608. Its totient is φ = 810818267400.

The previous prime is 1220202003187. The next prime is 1220202003227. The reversal of 1220202003213 is 3123002020221.

1220202003213 is a `hidden beast` number, since 122 + 0 + 20 + 200 + 321 + 3 = 666.

It is not a de Polignac number, because 1220202003213 - 212 = 1220201999117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220202003283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220808313 + ... + 220813838.

It is an arithmetic number, because the mean of its divisors is an integer number (147354591384).

Almost surely, 21220202003213 is an apocalyptic number.

It is an amenable number.

1220202003213 is a deficient number, since it is larger than the sum of its proper divisors (548053093395).

1220202003213 is a wasteful number, since it uses less digits than its factorization.

1220202003213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441622464 (or 441622461 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1220202003213 its reverse (3123002020221), we get a palindrome (4343204023434).

The spelling of 1220202003213 in words is "one trillion, two hundred twenty billion, two hundred two million, three thousand, two hundred thirteen".

Divisors: 1 3 9 307 921 2763 441622151 1324866453 3974599359 135578000357 406734001071 1220202003213