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2012120022 = 231130486667
BaseRepresentation
bin111011111101110…
…1000001111010110
312012020011021202210
41313323220033112
513110100320042
6531354414250
7100601511063
oct16773501726
95166137683
102012120022
11942875610
12481a31386
13260b2bb83
14151331c6a
15bb9a8a9c
hex77ee83d6

2012120022 has 16 divisors (see below), whose sum is σ = 4390080192. Its totient is φ = 609733320.

The previous prime is 2012120009. The next prime is 2012120023. The reversal of 2012120022 is 2200212102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012120023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15243268 + ... + 15243399.

It is an arithmetic number, because the mean of its divisors is an integer number (274380012).

Almost surely, 22012120022 is an apocalyptic number.

2012120022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2012120022 is an abundant number, since it is smaller than the sum of its proper divisors (2377960170).

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

2012120022 is a wasteful number, since it uses less digits than its factorization.

2012120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30486683.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2012120022 is about 44856.6608431791. The cubic root of 2012120022 is about 1262.4609712733.

Adding to 2012120022 its reverse (2200212102), we get a palindrome (4212332124).

The spelling of 2012120022 in words is "two billion, twelve million, one hundred twenty thousand, twenty-two".

Divisors: 1 2 3 6 11 22 33 66 30486667 60973334 91460001 182920002 335353337 670706674 1006060011 2012120022