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1220200212010 = 2513192011245653
BaseRepresentation
bin10001110000011001100…
…110011010011000101010
311022122112211222012110211
4101300121212122120222
5124442432223241020
62332315141131334
7154104461446303
oct21603146323052
94278484865424
101220200212010
1143053623338a
121785966b9b4a
138b0ab5c2290
14430b52497aa
1521b1830385a
hex11c1999a62a

1220200212010 has 64 divisors (see below), whose sum is σ = 2491049473920. Its totient is φ = 426609089280.

The previous prime is 1220200211987. The next prime is 1220200212109. The reversal of 1220200212010 is 102120020221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4844344 + ... + 5089996.

It is an arithmetic number, because the mean of its divisors is an integer number (38922648030).

Almost surely, 21220200212010 is an apocalyptic number.

1220200212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220200212010 is an abundant number, since it is smaller than the sum of its proper divisors (1270849261910).

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

1220200212010 is a wasteful number, since it uses less digits than its factorization.

1220200212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247703.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220200212010 its reverse (102120020221), we get a palindrome (1322320232231).

The spelling of 1220200212010 in words is "one trillion, two hundred twenty billion, two hundred million, two hundred twelve thousand, ten".

Divisors: 1 2 5 10 13 19 26 38 65 95 130 190 247 494 1235 2011 2470 4022 10055 20110 26143 38209 52286 76418 130715 191045 245653 261430 382090 491306 496717 993434 1228265 2456530 2483585 3193489 4667407 4967170 6386978 9334814 15967445 23337035 31934890 46674070 60676291 121352582 303381455 494008183 606762910 988016366 2470040915 4940081830 6422106379 9386155477 12844212758 18772310954 32110531895 46930777385 64221063790 93861554770 122020021201 244040042402 610100106005 1220200212010