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1201201222430 = 2511219311685447
BaseRepresentation
bin10001011110101101001…
…011000001001100011110
311020211111210000112101002
4101132231023001030132
5124140030003104210
62315454010550302
7152532612632156
oct21365513011436
94224453015332
101201201222430
11423476858300
12174973a38392
1389371419701
14421d1c95766
15213a53b84a5
hex117ad2c131e

1201201222430 has 96 divisors (see below), whose sum is σ = 2582376007680. Its totient is φ = 400461969600.

The previous prime is 1201201222423. The next prime is 1201201222447. The reversal of 1201201222430 is 342221021021.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130034 + ... + 1555413.

It is an arithmetic number, because the mean of its divisors is an integer number (26899750080).

Almost surely, 21201201222430 is an apocalyptic number.

1201201222430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201201222430 is an abundant number, since it is smaller than the sum of its proper divisors (1381174785250).

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

1201201222430 is a wasteful number, since it uses less digits than its factorization.

1201201222430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685526 (or 1685515 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1201201222430 its reverse (342221021021), we get a palindrome (1543422243451).

The spelling of 1201201222430 in words is "one trillion, two hundred one billion, two hundred one million, two hundred twenty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 11 19 22 31 38 55 62 95 110 121 155 190 209 242 310 341 418 589 605 682 1045 1178 1210 1705 2090 2299 2945 3410 3751 4598 5890 6479 7502 11495 12958 18755 22990 32395 37510 64790 71269 142538 356345 712690 1685447 3370894 8427235 16854470 18539917 32023493 37079834 52248857 64046986 92699585 104497714 160117465 185399170 203939087 261244285 320234930 352258423 407878174 522488570 574737427 704516846 992728283 1019695435 1149474854 1761292115 1985456566 2039390870 2873687135 3522584230 3874842653 4963641415 5747374270 6322111697 7749685306 9927282830 10920011113 12644223394 19374213265 21840022226 31610558485 38748426530 54600055565 63221116970 109200111130 120120122243 240240244486 600600611215 1201201222430