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10202201020212 = 22310911121369497
BaseRepresentation
bin1001010001110110001010…
…0100010101011100110100
31100010022122221010100102220
42110131202210111130310
52314123101430121322
633410454302402340
72102041023556665
oct224354244253464
940108587110386
1010202201020212
113283802561293
1211893085903b0
135900a9475506
14273b0967536c
1512a5b173655c
hex94762915734

10202201020212 has 48 divisors (see below), whose sum is σ = 23829423089472. Its totient is φ = 3397264702720.

The previous prime is 10202201020147. The next prime is 10202201020247. The reversal of 10202201020212 is 21202010220201.

It is a junction number, because it is equal to n+sod(n) for n = 10202201020191 and 10202201020200.

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, 146765848 + ... + 146835344.

It is an arithmetic number, because the mean of its divisors is an integer number (496446314364).

Almost surely, 210202201020212 is an apocalyptic number.

10202201020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10202201020212 is an abundant number, since it is smaller than the sum of its proper divisors (13627222069260).

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

10202201020212 is a wasteful number, since it uses less digits than its factorization.

10202201020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81808 (or 81806 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10202201020212 its reverse (21202010220201), we get a palindrome (31404211240413).

The spelling of 10202201020212 in words is "ten trillion, two hundred two billion, two hundred one million, twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 1091 2182 3273 4364 6546 11213 13092 22426 33639 44852 67278 69497 134556 138994 208491 277988 416982 833964 12233383 24466766 36700149 48933532 73400298 75821227 146800596 151642454 227463681 303284908 454927362 779269861 909854724 1558539722 2337809583 3117079444 4675619166 9351238332 850183418351 1700366836702 2550550255053 3400733673404 5101100510106 10202201020212