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10122122012212 = 227361504357579
BaseRepresentation
bin1001001101001011110101…
…1111001010011000110100
31022211122222002100020211201
42103102331133022120310
52311320101213342322
633310012203342244
72063204422333240
oct223227537123064
938748862306751
1010122122012212
113252849aa1341
12117589a221984
13585686b69a02
1426dcb0211420
1512847635cd27
hex934bd7ca634

10122122012212 has 12 divisors (see below), whose sum is σ = 20244244024480. Its totient is φ = 4338052290936.

The previous prime is 10122122012207. The next prime is 10122122012213. The reversal of 10122122012212 is 21221022122101.

10122122012212 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 10122122012212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122122012213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180752178762 + ... + 180752178817.

Almost surely, 210122122012212 is an apocalyptic number.

It is an amenable number.

10122122012212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10122122012212 is a wasteful number, since it uses less digits than its factorization.

10122122012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361504357590 (or 361504357588 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10122122012212 its reverse (21221022122101), we get a palindrome (31343144134313).

The spelling of 10122122012212 in words is "ten trillion, one hundred twenty-two billion, one hundred twenty-two million, twelve thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 361504357579 723008715158 1446017430316 2530530503053 5061061006106 10122122012212