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122012110101010 = 25109111937715689
BaseRepresentation
bin11011101111100000101000…
…011110110001101000010010
3121000000020120201220202110011
4123233200220132301220102
5111443021300141213020
61111255331203225134
734462040554641163
oct3357405036615022
9530006521822404
10122012110101010
1135971055337138
12118269209781aa
135310900894b8c
14221b5bbddb76a
15e18c358a135a
hex6ef8287b1a12

122012110101010 has 16 divisors (see below), whose sum is σ = 221636677066200. Its totient is φ = 48357093177216.

The previous prime is 122012110100999. The next prime is 122012110101031. The reversal of 122012110101010 is 10101011210221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 69079486319649 + 52932623781361 = 8311407^2 + 7275481^2 .

It is a super-2 number, since 2×1220121101010102 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 55968856755 + ... + 55968858934.

Almost surely, 2122012110101010 is an apocalyptic number.

122012110101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122012110101010 is a deficient number, since it is larger than the sum of its proper divisors (99624566965190).

122012110101010 is a wasteful number, since it uses less digits than its factorization.

122012110101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111937715805.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 122012110101010 its reverse (10101011210221), we get a palindrome (132113121311231).

The spelling of 122012110101010 in words is "one hundred twenty-two trillion, twelve billion, one hundred ten million, one hundred one thousand, ten".

Divisors: 1 2 5 10 109 218 545 1090 111937715689 223875431378 559688578445 1119377156890 12201211010101 24402422020202 61006055050505 122012110101010