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1220010122012 = 221128979571109
BaseRepresentation
bin10001110000001110010…
…001010001101100011100
311022122001121021122000112
4101300032101101230130
5124442040042401022
62332244230545152
7154066662635123
oct21601621215434
94278047248015
101220010122012
114304489a9a10
12178542b081b8
138b07b0c78a6
1443097cc6aba
1521b067a58e2
hex11c0e451b1c

1220010122012 has 24 divisors (see below), whose sum is σ = 2329914449520. Its totient is φ = 554358575360.

The previous prime is 1220010122003. The next prime is 1220010122047. The reversal of 1220010122012 is 2102210100221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4658087 + ... + 4913022.

It is an arithmetic number, because the mean of its divisors is an integer number (97079768730).

Almost surely, 21220010122012 is an apocalyptic number.

It is an amenable number.

1220010122012 is a deficient number, since it is larger than the sum of its proper divisors (1109904327508).

1220010122012 is a wasteful number, since it uses less digits than its factorization.

1220010122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9574021 (or 9574019 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220010122012 its reverse (2102210100221), we get a palindrome (3322220222233).

The spelling of 1220010122012 in words is "one trillion, two hundred twenty billion, ten million, one hundred twenty-two thousand, twelve".

Divisors: 1 2 4 11 22 44 2897 5794 11588 31867 63734 127468 9571109 19142218 38284436 105282199 210564398 421128796 27727502773 55455005546 110910011092 305002530503 610005061006 1220010122012