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1212120101122 = 27281813072283
BaseRepresentation
bin10001101000110111111…
…111001111000100000010
311021212200201211001002121
4101220313333033010002
5124324410221213442
62324501300234454
7153400315601560
oct21506777170402
94255621731077
101212120101122
1142806a219497
12176b0069ba2a
138a3c15b0488
144294a08aa30
15217e3c81967
hex11a37fcf102

1212120101122 has 16 divisors (see below), whose sum is σ = 2077994584512. Its totient is φ = 519461440560.

The previous prime is 1212120101099. The next prime is 1212120101147. The reversal of 1212120101122 is 2211010212121.

It is a junction number, because it is equal to n+sod(n) for n = 1212120101096 and 1212120101105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1141608 + ... + 1930675.

It is an arithmetic number, because the mean of its divisors is an integer number (129874661532).

Almost surely, 21212120101122 is an apocalyptic number.

1212120101122 is a deficient number, since it is larger than the sum of its proper divisors (865874483390).

1212120101122 is a wasteful number, since it uses less digits than its factorization.

1212120101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100473.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1212120101122 its reverse (2211010212121), we get a palindrome (3423130313243).

The spelling of 1212120101122 in words is "one trillion, two hundred twelve billion, one hundred twenty million, one hundred one thousand, one hundred twenty-two".

Divisors: 1 2 7 14 28181 56362 197267 394534 3072283 6144566 21505981 43011962 86580007223 173160014446 606060050561 1212120101122