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1220101000012 = 221669182759287
BaseRepresentation
bin10001110000010011101…
…011111100101101001100
311022122021221021201012101
4101300103223330231030
5124442231324000022
62332301234444444
7154102145245426
oct21602353745514
94278257251171
101220101000012
1143049522a9a4
12178569433724
138b093b9635b
14430a5dc1816
1521b0e757627
hex11c13afcb4c

1220101000012 has 12 divisors (see below), whose sum is σ = 2136456076720. Its totient is φ = 609684978096.

The previous prime is 1220101000009. The next prime is 1220101000039. The reversal of 1220101000012 is 2100001010221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91372968 + ... + 91386319.

Almost surely, 21220101000012 is an apocalyptic number.

It is an amenable number.

1220101000012 is a deficient number, since it is larger than the sum of its proper divisors (916355076708).

1220101000012 is a wasteful number, since it uses less digits than its factorization.

1220101000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182760960 (or 182760958 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1220101000012 its reverse (2100001010221), we get a palindrome (3320102010233).

The spelling of 1220101000012 in words is "one trillion, two hundred twenty billion, one hundred one million, twelve", and thus it is an aban number.

Divisors: 1 2 4 1669 3338 6676 182759287 365518574 731037148 305025250003 610050500006 1220101000012