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10212021112212 = 2233791196908241
BaseRepresentation
bin1001010010011010101111…
…1001000000110110010100
31100011021000022100201012000
42110212223321000312110
52314303204401042322
633415200541155300
72102536255145553
oct224465371006624
940137008321160
1010212021112212
1132879917667a7
12118b1a925bb30
13590cb2ac193a
1427439b965d9a
1512a9889083ac
hex949abe40d94

10212021112212 has 48 divisors (see below), whose sum is σ = 26810744620800. Its totient is φ = 3360918337920.

The previous prime is 10212021112207. The next prime is 10212021112253. The reversal of 10212021112212 is 21221112021201.

It is a super-2 number, since 2×102120211122122 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 598445589 + ... + 598462652.

It is an arithmetic number, because the mean of its divisors is an integer number (558557179600).

Almost surely, 210212021112212 is an apocalyptic number.

10212021112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10212021112212 is an abundant number, since it is smaller than the sum of its proper divisors (16598723508588).

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

10212021112212 is a wasteful number, since it uses less digits than its factorization.

10212021112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196908333 (or 1196908325 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10212021112212 its reverse (21221112021201), we get a palindrome (31433133133413).

The spelling of 10212021112212 in words is "ten trillion, two hundred twelve billion, twenty-one million, one hundred twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 79 108 158 237 316 474 711 948 1422 2133 2844 4266 8532 1196908241 2393816482 3590724723 4787632964 7181449446 10772174169 14362898892 21544348338 32316522507 43088696676 64633045014 94555751039 129266090028 189111502078 283667253117 378223004156 567334506234 851001759351 1134669012468 1702003518702 2553005278053 3404007037404 5106010556106 10212021112212